Question

-Can you tell me Kitty’s address.
-I don’t know, either. But I’ll tell you her address when she ______ to me

1. A.
   writes
2. B.
   write
3. C.
   wrote
4. D.
   written

Answer 1

A
when 引导条件状语从句时，主句用一般将来时，when所引导的从句用一般现在时，she是第三人称单数。