Câu hỏi: We need to protect ....... environment from pollution.

A. some

B. a

C. an

D. the

Câu 1: ........ dancing is ......... more interesting activity than  .......... reading.

A. X/  X/  X

B. The/  a/  the

C. X/  a/  X

D. X/  the/  X

Câu 2: ........ starts at seven o’clock.

A. School

B. A school

C. The school

D. The schools

Câu 3: Danny wanted ........... new bicycle for Christmas.

A. a

B. an

C. the

D. x

Câu 4: The Mississippi river is in ........ United States of America.

A. a

B. an

C. the

D. x

Câu 5: We often go to school by ........ bicycle.

A. some

B. a

C. an

D. the

Câu 6: What do you usually have for ......... breakfast?

A. a

B. an

C. the

D. x