题目内容
-It’s so late.Our son ________ be back!
-Don’t worry.I dare say he ________ have some extra work to do.
[ ]
A.can; must
B.will; might
C.should; must
D.must; may
答案:C

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题目内容
-It’s so late.Our son ________ be back!
-Don’t worry.I dare say he ________ have some extra work to do.
A.can; must
B.will; might
C.should; must
D.must; may