Câu hỏi: Four years .............. a long time tospend away from your friends and family.

A. are

B. is

Câu 1: Carlos is the only one of thosestudents who       ............. lived up to thepotential described in the yearbook.

A. has

B. have

Câu 2: Politics .................. sometimes a dirtybusiness.

A. are

B. is

Câu 3: ................. a lot in the mountains.

A. Snows it

B. Is snowing

C. It snows

D. Snowing is

Câu 4: One of my best friends ................ an extra on Seinfeld thisweek.

A. are

B. is

Câu 5: Not only the students but also theirinstructor ............. been called

A. have

B. has

Câu 6: To an outsider, the economics of this country ....................... to be in disarray.

A. seem

B. seems