问题补充:
The number of teachers in our school greatly increased last term.A number of teachers in this school from the countryside.
A. was;is
B. was;are
C. were;are
D. were;is
答案:
A. was;is
(答案→)B. was;are
C. were;are
D. were;is
解析: The number of指:“……的数目”,它所修饰的主语的谓语动词用单数:A number of,它所修饰的主语的谓语动词用复数,故选B