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

A. a

B. an

C. the

D. Ø

Câu 1: Mary loves ......... flowers.

A. a

B. an

C. the

D. Ø

Câu 2: We haven't been to ........ cinema for years.

A. a

B. an

C. the

D. Ø

Câu 3: Harry is a sailor. He spends most of his life at ...... sea.

A. a

B. an

C. the

D. Ø

Câu 4: ........ injured man was taken to ....... hospital.

A. Ø - Ø

B. Ø - an

C. an  - a

D. an - Ø

Câu 5: We visited ...... Canada and ........ United States two years ago.

A. Ø - Ø

B. the - Ø

C. Ø - an

D. Ø - the

Câu 6: Tung's father bought him ......... bicycle that he had wanted for his birthday.

A. a

B. an

C. the

D. Ø