Question

---I don’t know when ________ the day after tomorrow

---I’ll call you when ______.

1. A.
   he will come; he comes
2. B.
   will he come; he comes
3. C.
   he will come; he will come
4. D.
   he comes ; he comes

Answer 1

A
此题重点考察when引导的宾语从句和状语从句的区别。The day after  tomorrow后天，表示将来时间，宾语从句要用将来时。When引导状语从句表示当…时候，根据语境可知要用一般现在时。