Câu hỏi: 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 1: 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 2: 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 3: The revolving door remained ________ because Posey was pushing on it the wrong way.

A. station

B. stationed

C. stationary

D. stationery

Câu 4: 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 5: 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 6: 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.