问题
选择题
The number of people invited ______ fifty, but a number of them _____ absent for different reasons.
A．were, was
B．was, was
C．was, were
D．were, were
答案
答案：C
C “the number of” 表示“……的数量”，谓语用单数；“a number of”表示“许多”，谓语用复数。