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

A. a

B. an

C. the

D. x

Câu 1: Children usually begin to go to _____ school at ______ age of six.

A. the, the

B. a, a

C. ___, the

D. the, a

Câu 2: She is _______ tallest girl in the school.

A. a

B. an

C. the

D. x

Câu 3: I will keep ____ eye on the baby when its father is away.

A. an

B. much

C. the

D. one

Câu 4: What _____ day we are having today!

A. an

B. the

C. x

D. a

Câu 5: Canada is one of ________ biggest countries in the world.

A. a

B. an

C. the

D. x

Câu 6: Can you play _______ piano?

A. a

B. an

C. the

D. x