Câu hỏi: What did you have for ......... breakfast this morning?

A. a

B. an

C. the

D. Ø

Câu 1: She works six days ....... week.

A. a

B. an

C. the

D. Ø

Câu 2: Mrs. Lan went to ......... school to meet her son's daughter.

A. a

B. an

C. the

D. Ø

Câu 3: We visited ...... Canada and ........ United States two years ago.

A. Ø - Ø

B. the - Ø

C. Ø - an

D. Ø - the

Câu 4: He tried to park his  ........ car but the space wasn't large enough.

A. a

B. an

C. the

D. Ø

Câu 5: When was ....... telephone invented?

A. a

B. an

C. the

D. Ø

Câu 6: When was .......... computer invented?

A. a

B. an

C. the

D. Ø