Ifyou have problems,you'd better find someone you trust-------

问题描述:

Ifyou have problems,you'd better find someone you trust-------
A to talk B to talk to C talking with D talking

B 和某人说话talk to sb为什么不选A?talk sb 不成立的。I want a room to live in .这个句子明白吧。live in a room 是对的。但是live a room 就不对了。