Question

A:Do you know         for advice when we have problems.
B:You can talk to your parents or teachers.

A．who to talk

B．when to talk to

C．who to talk to

D．who can we talk to

Answer 1

C               

             
试题分析：考查特殊句式。句意：你知道当我们有困难跟谁寻求帮助吗？你可以跟父母或者老师。考查特殊疑问词+不定式做know的宾语，talk to sb 与某人交谈，所以选C项。