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

A. a

B. an

C. the

D. x

Câu 1: There was .......... huge crowd of people outside the church.

A. a

B. an

C. the

D. x

Câu 2: The Mississippi river is in ........ United States of America.

A. a

B. an

C. the

D. x

Câu 3: Ben has ........... terrible headache.

A. a

B. an

C. the

D. x

Câu 4: We often go to school by ........ bicycle.

A. some

B. a

C. an

D. the

Câu 5: ..... recipe for ......... success is  .......... hard work.

A. The/  X/  X

B. The/  a/  the

C. X/  a/  X 

D. X/  the/  X

Câu 6: ...... book you ordered .......... last week is now in stock.

A. the/  X

B. a/  the

C. X/ an

D. X/ the