Lindsay Lewis_________research at Bristol University in the 1980s.

When scientists discovered how soap works, it became possible to do synthetic detergents out of Petroleum.

For many years, scientists studying the effects that the sun has on human skin.

I had a few problems, but Rob gave me some good advices

We.........................the bill and left the restaurant. 

Chọn phương án thích họp (A, B, c or D) đế hoàn thành yêu cầu của câu.

“Can you come back later, Marry? David’s busy ____ his homework at the moment.”

Find the ONE among the underlined and marked A, B, C, D in each of the following sentences that needs correcting:

I get quite depressed when I think about the damage we are making to the environment.

_______ nonverbal language is _______ important aspect of interpersonal communication.

There was a very interesting news on the radio this morning about the earthquake in Italy.

Nam suggested …… showers  instead of baths to save water   

Choose the best answer.

................ is harmful to our health.

He is generally quite content ________ himself and his life. 

Choose the best answer:

The bus driver was so tired _____ the same route that he asked for a transfer.

Choose the best answer among the A, B, C, or D provided to finish each of the incomplete sentences below:

____________ is the process by which a piece of land becomes dry, empty, and unsuitable for growing trees or crops on.

Emergency relief, including medicines, clothing, and foodstuffs, were sent to the earthquake zone immediately following news of the disaster.

Chọn phương án thích họp (A, B, c or D) đế hoàn thành yêu cầu của câu.

The car broke down and we____ a taxi.

Kate hates ……… to classical music.               

Choose the best answer.

Sally ................a computer for her birthday.

Choose the word or phrase (A, B, C, or D) which best completes each sentence.

Mark Twain’s wife had a great influence............his books.

Mark the letter A, B, C, or D on your answer sheet to indicate the word or phrase that is CLOSEST in meaning to the underlined part in each of the following questions:

Being listed as an endangered species can have negative effect since it could make a species more desirable for collectors and poachers.

Find a mistake in the sentence. "Adolescence is the period but child and young adulthood"