Câu hỏi: Please open ..................door.

A. a

B. an

C. the

D. x

Câu 1: ................. swimming is .................. good sport.

A. the/  X 

B. X/  a 

C. the/  the 

D. X/  the

Câu 2: ................. blue is .................. color I like.

A. the/  X

B. X/  a  

C. the/  the

D. X/  the

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

A. a

B. an

C. the

D. x

Câu 4: Can you turn off______ television, please?

A. the

B. a

C. an

D. x

Câu 5: We had______ meal in a restaurant.

A. a

B. an

C. the

D. x

Câu 6: We often watch______ television.

A. the

B. a

C. an

D. x