Câu hỏi: She complains that she ................................ headaches.

A. has frequently had

B. has been frequently

C. has frequently

D. had frequently been had

Câu 1: Concert tickets .................... at the box office.

A. is selling

B. sold

C. are sold

D. is sold

Câu 2: We .......................... all the windows last weekend.

A. washed

B. were washed

C. was washing

D. wash

Câu 3: Their house .............. last week.

A. was bought

B. has been bought

Câu 4: Since the first space mission many communication satellites ..........................

A. was launched

B. are launched

C. have been launched

D. had been launch

Câu 5: These shoes .................. of leather.

A. are made

B. were made

Câu 6: The bridge ........................

A. is still built

B. is still being built