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

A. an

B. the

C. x

D. a

Câu 1: We only have ...... hour to complete the test.

A. a

B. an

C. x

D. the

Câu 2: I would like ........... rice with my curry.

A. a

B. an

C. x

D. the

Câu 3: I want to have ....... apple for ........ lunch.

A. a, the

B. an, Ø

C. the, Ø

D. Ø, Ø

Câu 4: Sam is  ...... man to speak at the conference tomorrow.

A. x

B. a

C. the

D. an

Câu 5: Have you ever been to ........ British Museum.

A. a

B. an

C. x

D. the

Câu 6: I want to introduce you to Sharon. She is ........ very nice person.

A. a

B. an

C. the

D. x