Câu hỏi: We only have ...... hour to complete the test.

A. a

B. an

C. x

D. the

Câu 1: Birds can fly in ........ sky.

A. an

B. the

C. x

D. a

Câu 2: Finally we got to .......... house where our grandfather and grandmother had once lived.

A. the

B. an

C. x

D. an

Câu 3: All work had to be done by ...... hand when there were no modern machines.

A. an

B. the

C. x

D. a

Câu 4: ......... Hyde Park is a very large park in central London.

A. a

B. an

C. x

D. the

Câu 5: Are they .......... students?

A. a

B. an

C. x

D. the

Câu 6: I need one out today. ........... new computer. I'm going to the electronics' store to pick

A. a

B. an

C. the

D. x