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

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: We can finish the rest of the bread for ......... breakfast.

A. a

B. an

C. the

D. x

Câu 3: The tomatoes are 99 pence .......... kilo.

A. a

B. an

C. the

D. x

Câu 4: There was .......... huge crowd of people outside the church.

A. a

B. an

C. the

D. x

Câu 5: Jennifer tasted ........ birthday cake her mother had made.

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