第1个回答 2014-06-22
you had better not do something
you had better do.something.本回答被提问者采纳
you had better do.something.本回答被提问者采纳
第2个回答 2014-06-22
第一：You had better not to do something
第二：You had better do something
第二：You had better do something
第3个回答 2014-06-22
you had better not to do sth. you had better do sth.
第4个回答 2014-06-22
youhad better not do sth追答
you had better do sth
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