While(study)_____ at college, he got to know the professor and learned a lot fro

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问题 While(study)_____ at college, he got to know the professor and learned a lot from him.

选项

答案 studying

解析本题考查动词的分词形式。本句开头的while意为“在……的时候”，当其引导从句时．如果主句和从旬的主语一致，则可以省略从句主语及系动词，直接加doing sth．作伴随状语。但是要注意的是这个动词必须是连续性动词，如本题的study。因此，应将study改写为studying。

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