作业帮John isn't in the classroom,he ()play soccer on the playground.A.canB.must
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John isn't in the classroom,he ()play soccer on the playground.A.canB.must
John isn't in the classroom,he ()play soccer on the playground.A.canB.must
John isn't in the classroom,he ()play soccer on the playground.A.canB.must
B.must
表示猜测,一定