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

A. a

B. an

C. x

D. the

Câu 1: Quick! Someone call ....... police. I need help right now.

A. a

B. an

C. the

D. x

Câu 2: Are they .......... students?

A. a

B. an

C. x

D. the

Câu 3: There was  .......... piano in the corner of the room.

A. a

B. an

C. x

D. the

Câu 4: He is ........ English.

A. a

B. an

C. x

D. the

Câu 5: Birds can fly in ........ sky.

A. an

B. the

C. x

D. a

Câu 6: Where is .... pretty, pink sweater I bought last week?

A. a

B. an

C. the

D. x