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

A. a

B. an

C. the

D. x

Câu 1: Sam is  ...... man to speak at the conference tomorrow.

A. x

B. a

C. the

D. an

Câu 2: We only have ...... hour to complete the test.

A. a

B. an

C. x

D. the

Câu 3: Quick! Someone call ....... police. I need help right now.

A. a

B. an

C. the

D. x

Câu 4: I want to have ....... apple for ........ lunch.

A. a, the

B. an, Ø

C. the, Ø

D. Ø, Ø

Câu 5: Can you play ..... piano?

A. a

B. an

C. the

D. x

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

A. a

B. an

C. the

D. x