Câu hỏi: Where's ...... USB drive I lent you last week?

A. a

B. an

C. the

D. x

Câu 1: We often go to school by ........ bicycle.

A. some

B. a

C. an

D. the

Câu 2: It would help us if you gave ..... honest opinion.

A. a

B. an

C. the

D. x

Câu 3: We need to protect ....... environment from pollution.

A. some

B. a

C. an

D. the

Câu 4: I won’t be  home for ..... dinner this evening. I’m meeting some friends after .... work and we’re going to ...... cinema.

A. The/  X/  X

B. X/  the/  the 

C. X/  X/  the 

D. X/  the/  X

Câu 5: Alex is in Boston studying for .... MBA.

A. a

B. an

C. the

D. x

Câu 6: There was .......... huge crowd of people outside the church.

A. a

B. an

C. the

D. x