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the student saw something strange ______when they were walking near the river
a happen b happens c happened d to happen
人气:105 ℃ 时间:2020-01-25 06:36:49
解答
A
see sb do sth
happen 是不带to 的不定式做宾补那可不可以用happened?这样就是宾语从句啊?如果用从句, 由于此动作先于主句中的谓语动词saw 发生要用过去完成时 had happened
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