I don't know if he ______ you. If he ______ much time at that moment, he will.
- A.would help; would have
- B.helps; has
- C.will help; will have
- D.will help; has
答案
正确答案:D

此句考察if 在宾语从句和状语从句里的用法。宾语从句中要符合“主将从现”。状语从句中要根据句意来确定时态。

分不清楚if 是在宾语从句中还是状语从句中,并且不清楚if 在不同从句中的区别而出现错误。
