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Synthetic detergents release phosphates into the water, that can cause pollution problems

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An earthquake is the result of a sudden release of energy in the Earth's crust that creates seismic waves. At the Earth's surface, earthquakes are recognized (25) _____ vibration, shaking and sometimes displacement of the ground. The vibrations may vary in (26) _____. They are caused mostly by slippage within geological faults, but also by other events such as volcanic activity, landslides, mine blasts, and nuclear tests. The underground point of (27) _____ of the earthquake is called the focus. The point directly above the focus on the surface is called the epicenter. Earthquakes by themselves rarely kill people or wildlife. It is usually the secondary events (28) _____ they trigger, such as building collapse, fires, tsunamis (seismic sea waves) and volcanoes, that are actually the human disaster. Many of these could possibly be avoided by better construction, safety systems, early warning and (29) ____ planning

Choose the letter A, B, C or D to complete the sentences. 

Mai:“Good morning, Lan.”

Lan: “…………….”

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If you ________ fishing tomorrow, don’t kill the fish!

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He expected _____ for an Oscar, but he wasn't

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In front of the house. He wants it to have a nice ________

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You should ______________ the bus if you want to see the sights

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We were so impressed that we set _________ a second interview for him

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Two students are talking with each other. Complete the exchanges with the best answer:
A: "I'm going to take a course in first aid skills." – B: “____”

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Jim has a ________ of teaching experience

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If I__________the same problem you had as a child, I might not have succeed in life as well as you have

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Charles Dickens was born in Portsmouth, Hampshire in 1812, but relocated to and ____ in Camden Town in London

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Mobile phones emit microwave radio emissions. Investigators are questioning whether exposure to these radio waves might (39) _____ to brain cancer. So far, the figures are not final. The precise evidence does not enable us to say in certain that mobile phones are definitely safe. On the other hand, recent research has not yet (40) _____ clear adverse effect associated with the prolonged use of mobile phones. Many studies are now going (41) _____ in numerous countries. Some of the results are contradictory but the others have shown an association between mobile phone use and cancer. However, these studies are preliminary and the issue need further, long – term investigation. (42) _____ the scientific data is more definite, it is advisable for people to try not to use mobile phone for long periods of time. Don’t think that hands free phones are any safer either. At the moment, research is in fact showing the opposite and they may be just as hazardous. It is also thought that young people (43) _____ bodies are still growing may be at particular risk

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As soon as he approached the house, the policeman stopped him

There are four students at each table. My friend Justine sits_____ me.

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It is back-to-school time in much of the worlD. Calm, easy mornings are replaced with busy, hurried ones. Children wake up early and get ready for school. Many parents are also getting ready for work, helping their children and preparing food for lunches. But don't forget about breakfast! When things get wildly busy in the morning, some people (32)_____breakfast to save time. But that may be a big mistake for students. That is the finding of a 2015 study from Cardiff University in Wales. Researchers there looked at 5000 9-11 year-olds from more than 100 primary schools in the U.K. They looked at what the students ate (33) _____ breakfast and then their grades 6 to 18 months later. They found that the students who ate a healthy breakfast (34) _____twice as likely to perform above average in educational activities. The researchers also found that unhealthy breakfasts - such as potato chips or a donut did not appear helpful to educational performance. A good breakfast is not just helpful for school-aged children. We all may gain from eating something healthy first thing in the morning. A study from researchers at the University of Toronto in Canada found that a breakfast rich in protein and complex carbohydrates (35) _____ performance on short- and long-term memory. Carbohydrates and protein are especially important because (36_____a major effect on long-term memory.

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Don Strange, who works as a vet in northern England, leads a busy life. As well as having to treat pets which are unwell, he often visits farms where problems of (33) _____ kinds await him. He has lost (34) _____ of the number of times he has been called out at midnight to give advice to a farmer with sick sheep or cows. Recently, a television company chose Don as the subject of a documentary program it was making about the life of a country vet. The program showed the difficult situations Don faces every day such as helping a cow to give birth or winning the trust of an aggressive dog (35) _____ needs an injection. Not all of Don’s patients are domestic animals, (36) _____, and in the program people saw him helping an owl which had a damaged wing. It also showed Don holding a meeting with villagers concerned about the damage a new road might do to their (37) _____ environment

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Lucia is calling to Mrs. Mary’s home.
- Lucia: “Hello, may I speak to Mrs. Mary, please?”
- Call receiver: “__________”

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It is desirable that the hotel manager______to call the maintenance staff every 6 months to clean up the air conditioners

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My mother would rather that my sister ….. how to play the piano

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The Professor ____ his ideas clearly in the lecture.