When you want to go into the room,you should________ the door. A.knock on B.knocking on C.knocks on ...
2023-01-13 01:46:28 50次 2014-2015学年江苏启东长江中学教育七年级上调研2英语试卷(解析版) 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容:
When you want to go into the room,you should________ the door.
A.knock on B.knocking on
C.knocks on D.to knock on
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