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: You must have forgotten to send the email, ________ there’s nothing in my inbox.

A. because of

B. for

C. due to

D. owning to

Câu 2: “I’m sorry I gave you the wrong number”, said Paul to Susan.

A. Paul apologized to Susan for having given the wrong number.

B. Paul accused Susan of having given him the wrong number.

C. Paul thanked to Susan for giving the wrong number.

D. Paul denied giving Susan the wrong number.

Câu 3: 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 4: The revolving door remained ________ because Posey was pushing on it the wrong way.

A. station

B. stationed

C. stationary

D. stationery

Câu 5: The students complained that the teacher was inexperienced. 

A. The teacher was popular despite his inexperience.

B. The teacher was favored because of his inexperience.

C. The students praised the teacher for his inexperience.

D. The teacher was not supported for his inexperience.

Câu 6: 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