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

A. a

B. an

C. the

D. x

Câu 1: The tomatoes are 99 pence .......... kilo.

A. a

B. an

C. the

D. x

Câu 2: Where's ...... USB drive I lent you last week?

A. a

B. an

C. the

D. x

Câu 3: Jennifer tasted ........ birthday cake her mother had made.

A. a

B. an

C. the

D. x

Câu 4: ........ starts at seven o’clock.

A. School

B. A school

C. The school

D. The schools

Câu 5: ......... European expert was invited to speak to the committee.

A. a

B. an

C. the

D. x

Câu 6: I need ....... time to think about ........... offer you made me.

A. the/  the 

B. a/  the 

C. x/ an

D. a/ the