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

A. are

B. is

Câu 1: Mark ............. at the party last night.

A. were happy

B. happy was

C. was happy

D. was he happy

Câu 2: To an outsider, the economics of this country ....................... to be in disarray.

A. seem

B. seems

Câu 3: Each and every student and instructorin this building ................ for a newfacility.

A. hope

B. hopes

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

A. is

B. are

Câu 5: The ................ of dark red spots is one of the first signs of the disease.

A. appearance

B. appearing

C. appear 

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

A. Snows it

B. Is snowing

C. It snows

D. Snowing is