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

A. x

B. a

C. the

D. an

Câu 1: Birds can fly in ........ sky.

A. an

B. the

C. x

D. a

Câu 2: Have you ever been to ........ British Museum.

A. a

B. an

C. x

D. the

Câu 3: I want to introduce you to Sharon. She is ........ very nice person.

A. a

B. an

C. the

D. x

Câu 4: I want to see ...... movie. I don't care which one we see. I just want to get out of the house tonight.

A. a

B. an

C. the

D. x

Câu 5: Do you like ........ my new glasses?

A. a

B. an

C. the

D. x

Câu 6: There was  .......... piano in the corner of the room.

A. a

B. an

C. x

D. the