The number of teachers in our college __________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
The number of teachers in our college __________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
B
“the number of+名词”作主语,谓语动词常用单数形式。“a number of+名词”作主语,谓语动词常用复数形式。