Câu hỏi: The Mississippi river is in ........ United States of America.

A. a

B. an

C. the

D. x

Câu 1: Where's ...... USB drive I lent you last week?

A. a

B. an

C. the

D. x

Câu 2: There was .......... huge crowd of people outside the church.

A. a

B. an

C. the

D. x

Câu 3: It would help us if you gave ..... honest opinion.

A. a

B. an

C. the

D. x

Câu 4: Their car does 150 miles ..... hour.

A. a

B. an

C. the

D. x

Câu 5: I need ....... time to think about ........... offer you made me.

A. the/  the 

B. a/  the 

C. x/ an

D. a/ the

Câu 6: ......... people who live in  ..... glass houses shouldn’t throw stones.

A. the/  X

B. the/ the

C. X/  X

D. X/   the