一道高三英语选择体----You did't meet Dr.Baker at the airport yesterday,did you?----No,but we____,for his visit has been put off.A.could't have B.needn't have为什么A不可以?我主要是想知道A哪里错了can不是有可能性的意思

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一道高三英语选择体----Youdid''tmeetDr.Bakerattheairportyesterday,didyou?----No,butwe____,forhisvisithasbeenput

一道高三英语选择体----You did't meet Dr.Baker at the airport yesterday,did you?----No,but we____,for his visit has been put off.A.could't have B.needn't have为什么A不可以?我主要是想知道A哪里错了can不是有可能性的意思
一道高三英语选择体
----You did't meet Dr.Baker at the airport yesterday,did you?
----No,but we____,for his visit has been put off.
A.could't have
B.needn't have
为什么A不可以?我主要是想知道A哪里错了
can不是有可能性的意思吗,不可能见到他啊,因为他的访问被推迟了.

一道高三英语选择体----You did't meet Dr.Baker at the airport yesterday,did you?----No,but we____,for his visit has been put off.A.could't have B.needn't have为什么A不可以?我主要是想知道A哪里错了can不是有可能性的意思
你昨天在机场没见到Dr.Baker,是吗?
是的,我们不需要,因为他的访问已经取消了．
我觉得主要是But的原因,如果没But也许就可以,但B更合适些．
个人意见!

照字面理解就可以了啊....
A根本说不通....由于后面的那句话,前面就说其实我们根本不需要...

couldn't是指能力上的不能,而题意指的是不必要

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