Câu hỏi: How many states are there in _________ USA?

A. the

B. a

C. x

D. an

Câu 1: Hardly any of the paintings at the gallery were for sale, _____________?

A. were they

B. weren’t they

C. wasn’t it

D. was it

Câu 2: Gustave Eiffel was well-known for ____________ Eiffel tower.

A. design

B. designing

C. to design

D. designed

Câu 3: She suggested ___________ the night away from home.

A. stay

B. staying

C. to stay

D. stayed

Câu 4: Your sister used to visit you quite often, ________?

A. didn't she

B. doesn't she

C. wouldn't she

D. hadn't she

Câu 5: Hue was listed as a world cultural Heritage by UNESCO ___________ 1993.

A. on

B. in

C. of 

D. to

Câu 6: They_______ time and money doing such a thing.

A. were advised not to waste

B. were advised not to be wasted

C. were advising not to waste

D. were advising not to be wasted