问题描述：
关于can may must 与need
-----i'm afraid i need a pair of glasses.i_______hardly see the words on the blackboard
-----that's terrible .you may have got poor eyesight.
A.can B.must C.may D.need
老师讲的是A 我想知道为什么 他们的区别在哪
-----i'm afraid i need a pair of glasses.i_______hardly see the words on the blackboard
-----that's terrible .you may have got poor eyesight.
A.can B.must C.may D.need
老师讲的是A 我想知道为什么 他们的区别在哪
问题解答：
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