我请他离开，但他拒绝了。

I asked him to leave but he ___refused.

凯西仍然拒绝承认她错了。

Cathy still ___refuses to admit that she was wrong.

他遇到了麻烦，但他拒绝了我所有的帮助提议。

He's in trouble but he's ___refused all my offers of help.