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

A. are

B. is

Câu 1: Not only the students but also theirinstructor ............. been called

A. have

B. has

Câu 2: .............. I think it’s useful to write anoutline of your essay before you start to write the first draft.

A. Interestingly,

B. Definitely,

C. Personally,

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

A. are

B. is

Câu 4: Either the physicians or the chief administrator ............ going to make a decision.

A. is

B. are

Câu 5: To an outsider, the economics of this country ....................... to be in disarray.

A. seem

B. seems

Câu 6: ................. a lot in the mountains.

A. Snows it

B. Is snowing

C. It snows

D. Snowing is