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

A. are

B. is

Câu 1: Politics .................. sometimes a dirtybusiness.

A. are

B. is

Câu 2: Not only the students but also theirinstructor ............. been called

A. have

B. has

Câu 3: One of my best friends ................ an extra on Seinfeld thisweek.

A. are

B. is

Câu 4: The Club, as well as the Society andthe Club, ................. to submit aconstitution.

A. need

B. needs

Câu 5: Mark ............. at the party last night.

A. were happy

B. happy was

C. was happy

D. was he happy

Câu 6: The ................ of dark red spots is one of the first signs of the disease.

A. appearance

B. appearing

C. appear