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

A. station

B. stationed

C. stationary

D. stationery

Câu 1: 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 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: My little girl is tired now because she ________ all day.

A. studies

B. studied

C. has been studying

D. has studied

Câu 4: We gain more knowledge about how to stay safe online. We worry about the threats of cybercrime less.

A. The more knowledge about how to stay safe online we gain, the more we worry about the threats of cybercrime.

B. The more we stay online to gain safety knowledge, the less we worry about the threats of cybercrime.

C. The more knowledge about how to stay safe online we gain, the less we worry about the threats of cybercrime.

D. The more we know about how to stay safe online, we worry about the threats of cybercrime less

Câu 5: My parents lent me the money. _________, I couldn’t have afforded the trip.

A. Therefore

B. However

C. Only if

D. Otherwise

Câu 6: ________________________, he left the hall quickly.

A. Not be rewarded with a smile

B. Not rewarding with a smile

C. Not having rewarded with a smile

D. Not being rewarded with a smile