we'd better___it now A not to do B not do C not doing 填什么,为什么

问题描述:

we'd better___it now A not to do B not do C not doing 填什么,为什么

B not do
had better 要接不带 to 的不定式
had better do sth 最好做某事
had better not do sth 最好别做某事