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

A. a

B. an

C. the

D. x

Câu 1: Can you play _______ piano?

A. a

B. an

C. the

D. x

Câu 2: The largest landmass is divided into two "continents" along _____ Ural mountains.

A. an

B. the

C. x

D. a

Câu 3: Finally we got to ______ house where our grandfather and grandmother had once lived.

A. the

B. an

C. x

D. a

Câu 4: Lisa met one of her old friends on his way _____ home from Vancouver.

A. a

B. an

C. the

D. x

Câu 5: There are only _____ few mistakes in your composition. Don't make _____ same ones any more.

A. the, the

B. a, a

C. ___, ___

D. a, the

Câu 6: Sam is _______ man to speak at the conference tomorrow.

A. x

B. a

C. the

D. an