The public ____generous in their contributions to the earthquake victims.
问题描述：
The public ____generous in their contributions to the earthquake victims.
A is
B was
C are
D has been
答
C are
the + 形容词,指一类人.复数.而且,本句后还有their contributions 呼应
如：The blind are those who need our help.盲人是需要我们帮助的人.