Mr.Smith ___here for about two hours.A.has left B.left from C.went away from D.has been away from为什么不选A?

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Mr.Smith___hereforabouttwohours.A.hasleftB.leftfromC.wentawayfromD.hasbeenawayfrom为什么不选A?Mr.Smith___

Mr.Smith ___here for about two hours.A.has left B.left from C.went away from D.has been away from为什么不选A?
Mr.Smith ___here for about two hours.A.has left B.left from C.went away from D.has been away from
为什么不选A?

Mr.Smith ___here for about two hours.A.has left B.left from C.went away from D.has been away from为什么不选A?
A是过去式,但是句子要表达的是斯密斯先生从离开到现在有两个小时了,是现在完成时态,所以选B
如果帮到你,请记得采纳,O(∩_∩)O谢谢

for+时间段 是完成时的一个标志
所以选择AD
因为“离开”的状态才能持续,A项是一个瞬间动作,不能延续
所以选择D

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