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: 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 2: Many doctors and nurses on duty during holidays don’t have time to relax. They don’t have time to meet up with their families.

A. Many doctors and nurses on duty during holidays have time neither to relax nor to meet up with their families.

B. Many doctors and nurses on duty during holidays have time neither to relax or to meet up with their families.

C. Many doctors and nurses on duty during holidays have time either to relax or to meet up with their families.

D. Many doctors and nurses on duty during holidays have time not only to relax but also to meet up with their families.

Câu 3: People say that products are sold in this market at suitable prices.

A. Products are said to be selling in this market at suitable prices.

B. Products are said to have sold in this market at suitable prices.

C. This market is said to have sold products at suitable prices.

D. This market is said to sell products at suitable prices.

Câu 4: 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 5: 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 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.