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

A. a

B. the

C. an

D. x

Câu 1: Birds can fly in _________ sky.

A. an

B. the

C. x

D. a

Câu 2: Spring is ____ best season of the year. Autumn is _____ busy season.

A. the, a

B. a, a

C. a, the

D. the, the

Câu 3: Where is ______ pretty, pink sweater I bought last week?

A. a

B. an

C. the

D. x

Câu 4: Sam is _______ man to speak at the conference tomorrow.

A. x

B. a

C. the

D. an

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

A. a

B. an

C. the

D. x

Câu 6: I want to introduce you to Sharon. She is _____ very nice person.

A. a

B. an

C. the

D. x