问题
选择题
I regret ____you that we are unable to offer you employment.
A.informing
B.having informed
C.to inform
D.to have informed
答案
答案:C
考查regret的用法:regret doing后悔做过…,regret to do很遗憾要做…,句意是:我遗憾的通知你我们不能雇佣你。选C。