Câu hỏi: Everyone selected to serve on this jury ............... to be willing to give up a lot of time.

A. have

B. has

Câu 1: The tornadoes that tear through this county every spring ............ more than just a nuisance.

A. are

B. is

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

A. Snows it

B. Is snowing

C. It snows

D. Snowing is

Câu 3: A high percentage of the population ............... voting for the new school.

A. is

B. are

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

A. are

B. is

Câu 5: The students and instructors each .............. for a new facility by next year.

A. hopes

B. hope

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

A. appearance

B. appearing

C. appear