-Tom came to work last Friday,but no one has seen him since...-Tom came to work last Friday,but no one has seen him since.-_he have had an accident?A.ShouldB.Must C.MightD.Could我选了C,想到表猜测,应该都可以用吧= =看说话人怎么衡

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-Tom came to work last Friday,but no one has seen him since...-Tom came to work last Friday,but no one has seen him since.-_he have had an accident?A.ShouldB.Must C.MightD.Could我选了C,想到表猜测,应该都可以用吧= =看说话人怎么衡

-Tom came to work last Friday,but no one has seen him since...-Tom came to work last Friday,but no one has seen him since.-_he have had an accident?A.ShouldB.Must C.MightD.Could我选了C,想到表猜测,应该都可以用吧= =看说话人怎么衡
-Tom came to work last Friday,but no one has seen him since...
-Tom came to work last Friday,but no one has seen him since.
-_he have had an accident?
A.Should
B.Must
C.Might
D.Could
我选了C,想到表猜测,应该都可以用吧= =看说话人怎么衡量了

-Tom came to work last Friday,but no one has seen him since...-Tom came to work last Friday,but no one has seen him since.-_he have had an accident?A.ShouldB.Must C.MightD.Could我选了C,想到表猜测,应该都可以用吧= =看说话人怎么衡
确实,could和might表示某事有可能发生或可能是事实时,是没有什么区别的.只是could的肯定语气比较大,即比较有根据;而且might用在句首更常见的是用于请求.
这道题选C和D都可以.

could 相等于can ,can表示可以,只要能做到或者发生就可以用can,与might相比老外更喜欢肯定的形式,所以只有一个选择的话应该是D

程度问题 C也许D可
能 意义上更好

may一般表说话人的决心!A应该的意思,肯定不对,B是肯定,也不对!最佳答案D,表猜测,可能!

选择D