Câu hỏi: Birds can fly in ........ sky.

A. an

B. the

C. x

D. a

Câu 1: Finally we got to .......... house where our grandfather and grandmother had once lived.

A. the

B. an

C. x

D. an

Câu 2: Quick! Someone call ....... police. I need help right now.

A. a

B. an

C. the

D. x

Câu 3: It is fun to learn English on ....... computer.

A. a

B. an

C. x

D. the

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

A. a, the

B. an, Ø

C. the, Ø

D. Ø, Ø

Câu 5: I would like ........... rice with my curry.

A. a

B. an

C. x

D. the

Câu 6: She needs  ........ water. She is really thirsty.

A. a

B. an

C. the

D. x