问题
阅读理解
Youhad betterto thinktwice before you do anything.
A B C D
答案
C to think--think
had better表示：最好做某事，后面接动词原形。
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Youhad betterto thinktwice before you do anything.
A B C D
C to think--think
had better表示：最好做某事，后面接动词原形。