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

A. x

B. a

C. the

D. an

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: Can you play _______ piano?

A. a

B. an

C. the

D. x

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

A. a

B. an

C. the

D. x

Câu 4: The largest landmass is divided into two "continents" along _____ Ural mountains.

A. an

B. the

C. x

D. a

Câu 5: Spring is ____ best season of the year. Autumn is _____ busy season.

A. the, a

B. a, a

C. a, the

D. the, the

Câu 6: Canada is one of ________ biggest countries in the world.

A. a

B. an

C. the

D. x