Someone knocked on my door just now.But he left ------ I could answer the bell
Someone knocked on my door just now.But he left ------ I could answer the bell
A.when
B.before
為什么不用before
是用before，打錯(cuò)了。為什么用它呢，而不用when？
A.when
B.before
為什么不用before
是用before，打錯(cuò)了。為什么用它呢，而不用when？
英語人氣：340 ℃時(shí)間：2019-10-26 11:39:31
優(yōu)質(zhì)解答
something happened before someone could do something 在某人能夠做某事之前,發(fā)生了某事這是一種相對(duì)固定的表達(dá)方式.樓主的句子：剛才有人敲我的門,在我能滕出空來開門前,他就離開了.（言下之意,我沒看到是誰敲門...
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