Ecologists are trying to preserve our environment for future generations by protecting the ozone layer, purifying the air, and have planted the trees that have been cut down.

I shouted in order that I could warn everybody of danger

 Neither of the men arresting as terrorists would reveal information about his group.

Choose the best option to complete the following sentences.

We were walking in the park when it                  to rain.

Choose the best answer among A, B, C or D for the sentence: "The rise in US interest rates caused the dollar to _______ against all the Asian currencies."

 I enjoy reading the article that you told me about it yesterday

Jim's _______ flu again. That’s the third time this year.

Select the synonym of the following bold and underlined word in each sentence

As a brilliant and mature student with a rare gift of concentration, Marie harbored the dream of a scientific career which was impossible for a woman at that time.

Ours brains are incredibly agile machines, and it's hard to think of anything they do more efficient than recognize face.

Choose the best answer:

We hear you ............ to Italy three days ago.

Choose a word in each line that has different stress pattern.

Choose the best answer:

I spent half a year _____this boat.

Choose the best answer:

More than half of the world's periodicals are printed _____ English.

Identify the word or phrase A, B, C, or D that must be changed for the sentence to be correct.

Would you mind turn on the lights, please? It’s too dark for me to read.

I would have visited you before if there _____ quite a lot of people in your house.

Choose the best answer:

 Smoking cigarette is ....... to our health.

Most of the houses on the street was built in the previous century.

Spel correctly is easy with the aid of a number of word processing programs for personal computers.

"Where's the view? The advertisement said this place has a great view of the sea." - "_______"

Choose the best answer: 
Mongolian children learn to ride when they are _______ as three years old.

 I like_________because I enjoy working with numbers.