Câu hỏi: Are they .......... students?

A. a

B. an

C. x

D. the

Câu 1: Can you play ..... piano?

A. a

B. an

C. the

D. x

Câu 2: Children usually begin to go to ........ school at ........ age of six.

A. the, the

B. a, a

C. Ø, the

D. the,  a

Câu 3: I want to introduce you to Sharon. She is ........ very nice person.

A. a

B. an

C. the

D. x

Câu 4: I want to have ....... apple for ........ lunch.

A. a, the

B. an, Ø

C. the, Ø

D. Ø, Ø

Câu 5: She is ...... tallest girl in the school.

A. a

B. an

C. the

D. x

Câu 6: Where is .... pretty, pink sweater I bought last week?

A. a

B. an

C. the

D. x