问题描述：
she () she () pass the exam.A.don't believe ; can't B.believes;can;t C.doesn't believe ; can
she () she () pass the exam.
A.don't believe ; can't
B.believes;can;t
C.doesn't believe ; can
D.believe ; can
she () she () pass the exam.
A.don't believe ; can't
B.believes;can;t
C.doesn't believe ; can
D.believe ; can
问题解答：
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