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

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: ........ starts at seven o’clock.

A. School

B. A school

C. The school

D. The schools

Câu 3: ......... people who live in  ..... glass houses shouldn’t throw stones.

A. the/  X

B. the/ the

C. X/  X

D. X/   the

Câu 4: The Mississippi river is in ........ United States of America.

A. a

B. an

C. the

D. x

Câu 5: The children have ........ new teacher called Mr. Green.

A. a

B. an

C. the

D. x

Câu 6: Jennifer tasted ........ birthday cake her mother had made.

A. a

B. an

C. the

D. x