Câu hỏi: We visited ...... Canada and ........ United States two years ago.

A. Ø - Ø

B. the - Ø

C. Ø - an

D. Ø - the

Câu 1: Mary loves ......... flowers.

A. a

B. an

C. the

D. Ø

Câu 2: When was .......... computer invented?

A. a

B. an

C. the

D. Ø

Câu 3: Toshi speaks ...... Japanese at home.

A. a

B. an

C. the

D. Ø

Câu 4: Mrs. Lan went to ......... school to meet her son's daughter.

A. a

B. an

C. the

D. Ø

Câu 5: Sandra works at a big hospital. She's ......... nurse.

A. a

B. an

C. the

D. Ø

Câu 6: My hometown is on the bank of ........ Hong river.

A. a

B. an

C. the

D. Ø