She had no idea she was sailing through the air,had she?she had a_英语解答

She had no idea she was sailing through the air,had she?she had a very good time ,didn't she?
这两个had有何不同,为什么一个用had而一个用did?

人气：496 ℃　时间：2020-09-25 04:56:34

解答

第一个后面用had有误,因为前面had是实义动词,后面的简短问句加助动词did.
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