10.The students on duty ______the window,locked the door and left.A．shut B．shutted C．to shut D．shutting为啥选A.

分类: 作业答案 • 2022-03-02 17:44:52

问题描述：

10.The students on duty ______the window,
locked the door and left.
A．shut B．shutted C．to shut D．shutting
为啥选A.

答

shut三种时态都是一样的这里是过去时,合后面动词保持一致