Question

- You look worried. What's the matter?
- I have some problems with my parents. I really don't know_______.

A．who to speak

B．who speaks to

C．who to speak to

D．who speaking to

Answer 1

C

试题分析：句意：你看起来很忧虑，怎么了？我和父母有些问题，我不知道该和谁说。句中所缺的部分是宾语从句，由疑问词who引导，疑问词后用不定式，故选C。