Câu hỏi: Blacken the letter A, B, C, or D on your answer sheet to indicate the word with the main stress different from that of the other three words in each question.

A. situation

B. examination

C. generation

D. education

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

A. station

B. stationed

C. stationary

D. stationery

Câu 5: ________ 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

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