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

A. were happy

B. happy was

C. was happy

D. was he happy

Câu 1: Some of the grain .................... to be contaminated.

A. appear

B. appears

Câu 2: ................. a lot in the mountains.

A. Snows it

B. Is snowing

C. It snows

D. Snowing is

Câu 3: He seems to forget that there .............. things to be done before he can graduate.

A. are

B. is

Câu 4: Carlos is the only one of thosestudents who       ............. lived up to thepotential described in the yearbook.

A. has

B. have

Câu 5: Either the physicians or the chief administrator ............ going to make a decision.

A. is

B. are

Câu 6: Four years .............. a long time tospend away from your friends and family.

A. are

B. is