He won’t apologize to us ______he is wrong.

He didn’t make ______ at all in yesterday’snegotiation What happened to him

(2014·山东省实验中学二模)He is no fool at all，________，he is the smartest boy I have ever seen.

Most scientists seem to agree that _______certain limit should be set on _______consumption of cars to ease air pollution．

She was so _______ that she wouldn’t give in until she received a full apology.