Choose the best answer:

Smoking is bad for your health. You had better .................... it up. 

 

Choose the best answer:

He is tired now ................... he played soccer in the afternoon.

Choose the best answer:

What would you do if you met an alien ............ outer space?

Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions: 

More people are now employed in service industries than in manufacturing.

If I __________ you, I would spend more time learning English. 

Mark the letter A, B, C or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions.

His lawyer thought he had a good chance of being acquitted at the trial, if no further evidence was found.

Choose the best answer among A, B, c or D that best completes sentence: Biologists still have ____ real idea how many  species of living things exist on Earth.

They have  ......... a lot of extensive research into renewable energy sources.

The victims of the disaster finally decided not to choose ____of the two plans of receiving relief supplies from the government.

Choose the correct answer to each of the following questions. "Relating poaching to financial benefits can _____ considered as one of the solutions to the problem."

Gesture is a potent form of _________ communication.

Toxic chemicals from factories are one of the serious factors that leads wildlife to the _______ of extinction.

Many exercises such as calisthenics, running, or to swim involve producing muscle tension through a range of movements that are called isotonics.

Choose the letter A, B, C or D to complete the sentences: 
The Endangered Species Act (ESA) was …......…. by Congress in 1973.

Choose the best answer:

He laughs a lot because ............... her funny face.

Choose the correct answer in each sentence.

The fitness tracker is as perfectly ------- as the online advertisements say it is.

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the best option for each of the blanks.
People’s fingernails and toenails, according to a recent study, are nowadays growing more quickly. Research (35) _____ out at the University of North Carolina indicates that the speed at which human nails are growing has increased by (36) _____ 25 per cent over the last 70 years. The results of the study show that the (37)_____ human fingernail now grows about 3.5 mm a month, (38) _____ just 3 mm seven decades ago. Toenail growth, (39) _____ only about 2 mm per month, was also up on the figure (40) _____ in a similar survey done 70 years ago. Researchers (41) _____ the rapid increase down to changes in lifestyle, particularly the greater awareness of the importance of regular exercise and a healthy diet. This, they point out, is in (42) _____with similar trends in the height and weight of present-day adults. Interestingly, it appears that nails have a propensity to grow fastest (43) _____ warmer conditions, with the quickest growth rate among young people, and men. The fastestgrowing nail is on the middle finger while that on the little finger is (44) _____ the slowest, at only a fraction over 3 mm each month.
(39)..............................

The idea of  building a  ................... with human intelligence is not only ambitious butalso highly unconventional.

Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions: 

The loss of his journals had cuased him even more sorrow than his retirement form the military six years earlier.

A number of the Pacific Islands are volcanoes that have pushed up from the ocean floor, the others are the tops sunken mountain ranges.

Read and choose the appropriate option: 
WHY DO ANIMALS GO EXTINCT? Different kinds of animals have appeared and disappeared throughout Earth’s history. Some animals go extinct because the climate (41)_______ they live changes. The climate may become wetter or drier. It may become warmer or cooler. If the animals cannot change, or adapt, to the new climate, they die. Some animals go extinct because thay cannot (42) _______ with other animals for food. Some animals go extinct because they are killed by enemies. New kinds of animals are always evolving. Evolving means that the animals are changing (43) _______ from generation to generation. Small differences between parents, children, and grandchildren slowly add up over many, many generations. Eventually, a different kind of animal evolves. [evolve: tiến hóa] Sometimes many of the animals on Earth go extinct at the (44) _______ time. Scientists call this a mass extinction. Scientists think there (45) _______ at least five mass extinctions in Earth’s history. The last mass extinction happened about 65 million years ago. This mass extinction killed off the dinosaurs.
(44)..........................