关于英语选择提--Is Pro.Smith giving the speech today --It____be him .He is abroad right now.A mustn't B needn't C won't D can't 请问选哪个 并为什么要选它呢?

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关于英语选择提--IsPro.Smithgivingthespeechtoday--It____behim.Heisabroadrightnow.Amustn''tBneedn''tCwon''tDcan''

关于英语选择提--Is Pro.Smith giving the speech today --It____be him .He is abroad right now.A mustn't B needn't C won't D can't 请问选哪个 并为什么要选它呢?
关于英语选择提
--Is Pro.Smith giving the speech today
--It____be him .He is abroad right now.
A mustn't B needn't C won't D can't
请问选哪个 并为什么要选它呢?

关于英语选择提--Is Pro.Smith giving the speech today --It____be him .He is abroad right now.A mustn't B needn't C won't D can't 请问选哪个 并为什么要选它呢?
D
mustn't是禁止的意思
needn't 是不必要的意思
won't是将不会的意思
－Smith教授今天会做演讲吗?
－不可能是他.他现在在外国呢

D
解释为不可能

A must not 表示对现在的猜测.意思是肯定不是

选D
这是推测语气
"可能是他"是can be him
"一定是他"是must be him
"一定不是他"是can't be him
这里因为他在国外,所以一定不是他,选D

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