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

A. a

B. an

C. the

D. x

Câu 1: The teacher read ........ interesting article from the newspaper.

A. a

B. an

C. the

D. x

Câu 2: Alex is in Boston studying for .... MBA.

A. a

B. an

C. the

D. x

Câu 3: ...... book you ordered .......... last week is now in stock.

A. the/  X

B. a/  the

C. X/ an

D. X/ the

Câu 4: We need to protect ....... environment from pollution.

A. some

B. a

C. an

D. the

Câu 5: Do you still live in ......... Bristol?

A. a

B. an

C. the

D. x

Câu 6: It would help us if you gave ..... honest opinion.

A. a

B. an

C. the

D. x