题目内容
--_______David be the new chairperson of the Birdwatching Society ?
--He ________be, but I’m not certain about it.
A. Can; can’t B. Can; may
C. May; must D. May; mustn’t
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题目内容
--_______David be the new chairperson of the Birdwatching Society ?
--He ________be, but I’m not certain about it.
A. Can; can’t B. Can; may
C. May; must D. May; mustn’t