When the doorbell rang,she_____the room?a.was cleaning b.cleaned c.cleans
问题描述:
When the doorbell rang,she_____the room?
a.was cleaning b.cleaned c.cleans
答
a.was cleaning
某事情发生时(一般过去时),另一事情正在进行(过去进行时),为典型的语法现象。
答
A。过去进行时
答
A
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答
选a.was cleaning