Câu hỏi: Mai always plays ........ piano whenever she has free time.

A. a

B. an

C. the

D. Ø

Câu 1: Do you know  ......... man who is waiting for the bus over there?

A. a

B. a

C. the

D. Ø

Câu 2: This house is very nice. Has it got ........ garden?

A. a

B. an

C. the

D. Ø

Câu 3: She gave me .......... apple and gave Lan 2  .......... apples.

A. an - an

B. an - the

C. an - Ø

D. Ø - an

Câu 4: The Civil War was fought in .......... United States between 1861 and 1865.

A. a

B. an

C. the

D. Ø

Câu 5: ......... Smiths are going to Halong Bay next summer.

A. a

B. an

C. the

D. Ø

Câu 6: I like studying  ......... Maths best.

A. a

B. an

C. the

D. Ø