Câu hỏi: She is _______ tallest girl in the school.

A. a

B. an

C. the

D. x

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

A. the

B. an

C. x

D. a

Câu 2: I want to have ______ apple for ______ lunch.

A. a, the

B. an, x

C. the, x

D. x, 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: Where is ______ pretty, pink sweater I bought last week?

A. a

B. an

C. the

D. x

Câu 5: Birds can fly in _________ sky.

A. an

B. the

C. x

D. a

Câu 6: Quick! Someone call _____ police. I need help right now.

A. a

B. an

C. the

D. x