Tony直到九点才打扫完卧室:Tony didn't __ __ the bedroom until nine o' clock.

问题描述:

Tony直到九点才打扫完卧室:Tony didn't __ __ the bedroom until nine o' clock.

finish cleaning

Tony直到九点才打扫完卧室:
Tony didn't _finish_ _cleaning_ the bedroom until nine o' clock.
until的用法是:
not do sth until + 某时间
表示 直到某个时间才做了某事.
这句句子中就是直到9点才做完了打扫.