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: She is _______ tallest girl in the school.

A. a

B. an

C. the

D. x

Câu 3: I want to have ______ apple for ______ lunch.

A. a, the

B. an, x

C. the, x

D. x, x

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: Can you give me ______ little more information about the house?

A. a

B. an

C. the

D. x