We had some visitors__(observe) our teacher’s class this morning.哪种形式?为什么?
问题描述:
We had some visitors__(observe) our teacher’s class this morning.哪种形式?为什么?
答
现在分词,因为作后置定语。
答
have sth done,这里只遭受或经历某种情况用observed
答
observe
have sb do sth 表示“让某人做某事”,后面用动词原形作宾语补足语.
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答
observe
have sb. do让某人做某事