1 tidy ( keep sth adj.
2 beating ( keep sth doing sth
3 to sing ( ask sb to do sth
4 not to play ( tell sb not do sth
5 have ( let's do sth
6 play ( see sb do sth
7 singing ( hear sb doing sth
8 cut ( have sth done ,cut 的过去分词也是CUT)
分析:括号中是解释及固定用法
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