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

A. an

B. the

C. x

D. a

Câu 1: Birds can fly in _________ sky.

A. an

B. the

C. x

D. a

Câu 2: Do you like _______ my new glasses?

A. a

B. an

C. the

D. x

Câu 3: Wendy is ______ eleven-year-old girl.

A. a

B. the

C. an

D. x

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

A. a, the

B. an, x

C. the, x

D. x, x

Câu 5: I will keep ____ eye on the baby when its father is away.

A. an

B. much

C. the

D. one

Câu 6: _____ sun and the moon both set in ____ west.

A. the, the

B. x, x

C. x, the

D. the, x