Do you hear someone knocking at the door?<br>"Yes,did. heard him _______ three times."

发布于 2021-09-21

外贸英语写作

约 1 分钟学习

题目类型：单选题

题目内容

Do you hear someone knocking at the door?
"Yes,did. heard him _______ three times."

题目选项

正确答案

D

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