Câu hỏi: We arrived at the airport. We realized our passports were still at home.

A. Not until we arrived at the airport, did we realize that our passports were still at home.

B. We arrived at the airport and realized that our passports are still at home.

C. Not until had we arrived at the airport, we realized our passports were still at home.

D. It was until we arrived at the airport that we realize our passports were still at home.

Câu 1: Almost poetry is more enjoyable when it is read aloud.

A. is more

B. Almost

C. it is

D. enjoyable

Câu 2: Learning the language in the country in which it is spoken is, of course, a________ more effective and faster process than studying in your own country.

A. lots

B. far

C.  so

D. very

Câu 3: Scientists have invented walls and windows that can block out the noise, which allows individuals to focus on their work without ________.

A. be disturbed

B. disturbing

C. being disturbed

D. being disturbing

Câu 4: I needn’t have watered the garden because it came down in torrents after that.

A. If only I had watered the garden before it came down in torrents.

B. It’s a pity I had watered the garden before it came down in torrents.

C. I regret having watered the garden before it came down in torrents.

D. If it had came down in torrents, I wouldn’t have watered the garden.

Câu 5: New sources of energy have been looking for as the number of fossil fuels continues to decrease.

A. New sources

B. been looking

C. fossil

D. continues

Câu 6: ________ at the airport more early, he would have met his friend.

A. Then he arrived

B. Had he arrived

C. When he arrived

D. He has arrived