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

A. x

B. a

C. the

D. an

Câu 1: I will keep ____ eye on the baby when its father is away.

A. an

B. much

C. the

D. one

Câu 2: Can you play _______ piano?

A. a

B. an

C. the

D. x

Câu 3: Canada is one of ________ biggest countries in the world.

A. a

B. an

C. the

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: What _____ day we are having today!

A. an

B. the

C. x

D. a

Câu 6: Do you like _______ my new glasses?

A. a

B. an

C. the

D. x