Câu hỏi: I need ______ new computer. I'm going to the electronics' store to pick one out today.

A. a

B. an

C. the

D. x

Câu 1: _____ sun and the moon both set in ____ west.

A. the, the

B. x, x

C. x, the

D. the, x

Câu 2: Canada is one of ________ biggest countries in the world.

A. a

B. an

C. the

D. x

Câu 3: All work had to be done by _____ hand when there were no modern machines.

A. an

B. the

C. x

D. a

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

A. a, the

B. an, x

C. the, x

D. x, x

Câu 5: Birds can fly in _________ sky.

A. an

B. the

C. x

D. a

Câu 6: Can you play _______ piano?

A. a

B. an

C. the

D. x