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

A. a

B. an

C. the

D. Ø

Câu 1: ......... tea is produced in Thai Nguyen.

A. a

B. an

C. the

D. Ø

Câu 2: If I won the lottery, first I would buy ........... piece of land in the country.

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

A. a

B. an

C. the

D. Ø

Câu 5: English is spoken all over ......... world.

A. a

B. an

C. the

D. Ø

Câu 6: My ............. car is four years old, and it still runs well.

A. a

B. Ø

C. an

D. the