Weoften________ourfriends'homeswit

发布时间：2020-07-26 03:49:34

We often ________ our friends' homes without ________ them first. A.drop by; callB.drop by; callingC.visit; callD.visits; calling

网友回答

B解析drop by“拜访”；介词without后用动名词形式。
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