Câu hỏi: They cancelled all flights because of fog.

A. All flights because of fog were cancelled.

B. All flights were cancelled because of fog.

C. All flights were because of fog cancelled

D. All flights were cancelled by them because of fog

Câu 1: She finished her driving lesson. Her father allowed her to use his car.

A. Having finished her driving lesson, her father allowed her to use his car.

B. Having finished her driving lesson, she was allowed to use her father's car.

C. To be allowed to use her father's car, she tried to finish her driving lesson.

D. Being allowed to use her father's car, she tried to finish her driving lesson.

Câu 2: 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 3: 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 4: Some body cleans the room every day.

A. The room every day is cleaned

B. The room is every day cleaned

C. The room is cleaned every day

D. The room is cleaned by somebody every day

Câu 5: 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 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.