-----What's hte matter with you?-----__________hte widow,my finger was cut unexpectedly.

问题描述:

-----What's hte matter with you?-----__________hte widow,my finger was cut unexpectedly.
为什么选While I was cleanig
答案是while I was cleaning,

while有“当.的时候”之意,相当于when,while还可以连接前后两个正在进行的动作,如:Jack is cleaning the window,while Mary is sweeping the floor.希望我的答案能帮助你.