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

A. studies

B. studied

C. has been studying

D. has studied

Câu 2: ________ 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 3: 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

Câu 4: 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. relevant

B. assistant

C. argument

D. attitude

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: 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