Have him( )it,please(选择)如题A do,B does,C done,D didWHY?P.S.help doing sth.是什么用法?

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Have him( )it,please(选择)如题A do,B does,C done,D didWHY?P.S.help doing sth.是什么用法?
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Have him( )it,please(选择)如题A do,B does,C done,D didWHY?P.S.help doing sth.是什么用法?
Have him( )it,please(选择)
如题
A do,B does,C done,D did
WHY?
P.S.help doing sth.是什么用法?

Have him( )it,please(选择)如题A do,B does,C done,D didWHY?P.S.help doing sth.是什么用法?
A
have sb do sth 让某人做某事
help doing sth 一搬不单独存在,常见在can't help doing sth 里,意思是“情不自禁做某事”

c
have something done
是否已经做了某事

这句话的意思是:请让他做什么,并不是完成了什么。所以选择 B dose.
因为him是第三人称。第三人称的后面永远用does.
do 用在第一人称后面。done和did 是do的完成时态。所以这三个都不能用。

c,小杨练习册上有这样的题吗,老师没讲???????