问题
选择题
We had to the match as the ground was too wet to play on.
A．call off
B．call up
C．call out
D．call for
答案
答案：A
题目分析：A. call off取消，B. call up唤起，C. call out大声叫喊，D. call for需要，要求，句意：我们不得不取消比赛，因为地面太潮湿了，不能在上面打球。选A。