Câu hỏi: The plane had taken off. Paul realized he was on the wrong flight.

A. Hardly had Paul realized he was on the wrong flight when the plane took off.

B. It was not until the plane had taken off, did Paul realize he was on the wrong flight.

C. Not until the plane had taken off did Paul realize he was on the wrong flight.

D. No sooner had the plane taken off than Paul had realized he was on the wrong flight.

Câu 1: The boy lost several of his fingers because of firecrackers. The doctors are operating on him.

A. The boy who lost several of his fingers because of firecrackers is being operating on.

B. The boy whom the doctors are operating on him lost several of his fingers because of firecrackers.

C. The boy was whom the doctors are operating on him lost several of his fingers because of firecrackers.

D. The doctors are operating on the boy who lost several of his fingers because of firecrackers.

Câu 2: They recommend that the hotel should be redecorated.

A. The hotel should be recommended to be redecorated.

B. The hotel is recommended to be redecorated.

C. The hotel is recommended to have redecorated.

D. The hotel was recommended to be redecorated.

Câu 3: My mother hasn’t returned to her hometown since 1999.

A. It’s 17 years since my mother last returned to her hometown.

B. My mother last returned to her hometown in 1999.

C. The last time my mother returned to her hometown was in 1999.

D. All are correct.

Câu 4: How do people learn languages?

A. How are languages learned?

B. How are languages learned by people?

C. How languages are learned?

D. Languages are learned how?

Câu 5: We couldn’t have been to go to the final match without the coach’s flexible strategies.

A. We could have been able to go to the final match with the coach’s flexible strategies.

B. If we could be able to go to the final match, the coach would have flexible strategies.

C. If we couldn’t have been able to go to the final match, we would have had the coach’s flexible strategies.

D. Had it not been for the coach’s flexible strategies, we couldn’t have been able to go to the final match.

Câu 6: People believe that the weather is changing dramatically.

A. The weather is believed to be changing dramatically.

B. The weather is believed to have changed dramatically.

C. The weather is believed to change dramatically.

D. The weather is believed to have been changing dramatically.