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答案是什么啊42.IsawBobinthelibrarywhenIwastherelastnight.(A)toread\x05\x05\x05(B)isreading\x05\x05\x05(C)reading\x05\x05\x05(D)wasreading

题目详情
答案是什么啊42.I saw Bob ______in the library when I was there last night.
(A) to read \x05\x05\x05(B) is reading \x05\x05\x05(C) reading\x05\x05\x05(D) was reading

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答案和解析
选C.为过去时态.see sb doing sth ,昨晚我在图书馆的时候看见Bob正在看书.希望我的回答可以解决您的困难,