Câu hỏi: Are they .......... students?

A. a

B. an

C. x

D. the

Câu 1: ......... Hyde Park is a very large park in central London.

A. a

B. an

C. x

D. the

Câu 2: Sam is  ...... man to speak at the conference tomorrow.

A. x

B. a

C. the

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: Can you give me ............ little more information about the house?

A. a

B. an

C. the

D. x

Câu 5: Canada is one of ......... biggest countries in the world.

A. a

B. an

C. the

D. x

Câu 6: Can you play ..... piano?

A. a

B. an

C. the

D. x