Câu hỏi: There are billions of stars in ....... space.

A. a

B. an

C. the

D. Ø

Câu 1: When was ....... telephone invented?

A. a

B. an

C. the

D. Ø

Câu 2: My daughter plays .......... piano very well.

A. a

B. an

C. the

D. Ø

Câu 3: He tried to park his  ........ car but the space wasn't large enough.

A. a

B. an

C. the

D. Ø

Câu 4: We visited ...... Canada and ........ United States two years ago.

A. Ø - Ø

B. the - Ø

C. Ø - an

D. Ø - the

Câu 5: Do you need  ...... umbrella?

A. a

B. an

C. the

D. Ø

Câu 6: .......... rose is my favourite color.

A. a

B. an

C. the

D. Ø