If you don’t know who you can always write to me.A. to talk toB. talk toC. to talk D. sh

问题补充：

If you don’t know who , you can always write to me.

A. to talk to

B. talk to

C. to talk

D. should you talk to

答案：

(答案→)A. to talk to

B. talk to

C. to talk

D. should you talk to

解析：考查疑问词+不定式的用法。talk to sb. for sth.“为了某事向某人求助”。句意“如果你不知道跟谁说，你可以给我写信。”talk是不及物动词，需要加介词to，再加宾语。故选A。