Câu hỏi: 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 1: 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. escape

B. before

C. enough

D. welfare

Câu 2: Mark the letter A, B, C, or D on your answer sheet to indicate the word that differs from the rest in the position of the primary stress in each of the following questions.

A. centralise

B. achievement

C. combustion

D. diversit

Câu 3: 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 4: 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 5: The revolving door remained ________ because Posey was pushing on it the wrong way.

A. station

B. stationed

C. stationary

D. stationery

Câu 6: Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.

A. approached

B. noticed

C. supported

D. finished