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

A. an

B. much

C. the

D. one

Câu 1: All work had to be done by _____ hand when there were no modern machines.

A. an

B. the

C. x

D. a

Câu 2: Children usually begin to go to _____ school at ______ age of six.

A. the, the

B. a, a

C. ___, the

D. the, a

Câu 3: Kent always have _____ lunch in a restaurant.

A. x

B. the

C. a

D. an

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

A. x

B. a

C. the

D. an

Câu 5: The largest landmass is divided into two "continents" along _____ Ural mountains.

A. an

B. the

C. x

D. a

Câu 6: She needs ________ water. She is really thirsty.

A. a

B. an

C. the

D. x