they need _____ some keys to their teacher.(take)动词的适当形式填空.请说明理由
问题描述：
they need _____ some keys to their teacher.(take)
动词的适当形式填空.请说明理由
答
need to do sth
所以是to take
答
to take 原因need to do sth
答
take ,情态动词 后用原形.
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to take ,刚查阅.
need 作情态动词多用于否定及疑问句.