问题描述：
初三英语关于情态动词的用法问题
1 He did not come to school this morning.He ( ) be ill.
A may B must
2——May I use your computer?
——No ,you ( )
A must not B may not
1 He did not come to school this morning.He ( ) be ill.
A may B must
2——May I use your computer?
——No ,you ( )
A must not B may not
问题解答：
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