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

A. x

B. a

C. the

D. an

Câu 1: Where is .... pretty, pink sweater I bought last week?

A. a

B. an

C. the

D. x

Câu 2: She needs  ........ water. She is really thirsty.

A. a

B. an

C. the

D. x

Câu 3: Do you like ........ my new glasses?

A. a

B. an

C. the

D. x

Câu 4: He is ........ English man.

A. a

B. an

C. x

D. the

Câu 5: There was  .......... piano in the corner of the room.

A. a

B. an

C. x

D. the

Câu 6: Quick! Someone call ....... police. I need help right now.

A. a

B. an

C. the

D. x