问题
选择题
The number of people invited ___fifty, but a number of them____ absent fordifferent reasons．
A．were; was
B．was; was
C．was; were
D．were; were.
答案
答案：C
本题考查主谓一致。a number of + 复数名词/代词，在句中作主语时，谓语动词用复数，而the number of + 复数名词/代词，在句中作主语时，谓语动词用单数，