Câu hỏi: Mel's mother is in ........ hospital, so we went to visit her last night.

A. a

B. Ø

C. the

D. an

Câu 1: Mai always plays ........ piano whenever she has free time.

A. a

B. an

C. the

D. Ø

Câu 2: My daughter was born on ........... fifth of January.

A. a

B. an

C. the

D. Ø

Câu 3: ........... deaf are unable to hear anything.

A. a

B. an

C. the

D. Ø

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

A. a

B. an

C. the

D. Ø

Câu 5: It takes me ........ hour to finish my work.

A. a

B. an

C. the

D. Ø

Câu 6: ......... Smiths are going to Halong Bay next summer.

A. a

B. an

C. the

D. Ø