Câu hỏi: Scientists sent ............ expedition to ............ Mars during .......... 1990s.

A. an/  X/  the

B. an/  the/  the

C. X/  X/  the

D. X/  X/  X

Câu 1: Jason's father bought him ............ bicycle that he had wanted for his birthday.

A. a

B. an

C. the

D. x

Câu 2: We watch television after .................. dinner.

A. a

B. an

C. the

D. x

Câu 3: Please give me ...........cup of coffee with........... cream and ........... sugar.

A. a/  X/  X

B. a/  the/  the

C. X/ X/ X

D. X/  X/  a

Câu 4: What did you eat for........... breakfast this morning.

A. a

B. an

C. the

D. x

Câu 5: Mr. Brown bought ..............new car ..................last week.

A. an/  X

B. a/  X

C. the/  the

D. X/  X

Câu 6: ................ Mekong River is .............longest river in.................... Vietnam.

A. the/  X/  the

B. the/  the/  the

C. X/  X/  the

D. the/  the/  X