Câu hỏi: Concert tickets .................... at the box office.

A. is selling

B. sold

C. are sold

D. is sold

Câu 1: Since the first space mission many communication satellites ..........................

A. was launched

B. are launched

C. have been launched

D. had been launch

Câu 2: Tropical fruits .................... by farmers in the lowland region.

A. are grown

B. grown

C. are growing

D. grow

Câu 3: They are ........................ by the police at themoment.

A. questioned

B. being questioned

Câu 4: Do you think the project ................ by Friday?

A. will be finished

B. is finished

Câu 5: Their house .............. last week.

A. was bought

B. has been bought

Câu 6: It ................. last week.

A. should be done

B. should have been done