问题描述:
.Both ______ and ______ laughter do harm to your health.
A.burst into tears;burst into B.to burst into tear;to burst into
C.bursting into tears;bursting into D.tear;/
A.burst into tears;burst into B.to burst into tear;to burst into
C.bursting into tears;bursting into D.tear;/
问题解答:
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