Câu hỏi: .............. winter is usually cold, but .................. winter of this year is warm.

A. the/  X

B. X/  the

C. the/  the

D. X/  X

Câu 1: Sorry, I can't find the number. I remember writing it on ............. back of an envelop.

A. a

B. an

C. the

D. x

Câu 2: David attended .......... Princeton University.

A. a

B. an

C. the

D. x

Câu 3: Every year, thousands of tourists visit ……... Nile River.

A. a

B. an

C. the

D. x

Câu 4: .................gold is perhaps .............. most highly treasured metal.

A. the/  X

B. X/  the

C. the/  the

D. X/   X

Câu 5: Jason's father bought him ............ bicycle that he had wanted for his birthday.

A. a

B. an

C. the

D. x

Câu 6: ...........Lake Erie is one of five Great Lakes in ........... North America

A. a/  X/  the 

B. a/  the/  the

C. X/ X/ X

D. X/  X/  a