问题描述：
根据首字母提示,填写反义词
This box isn't I ＿＿.It's h＿＿.I can't carry it.
This box isn't I ＿＿.It's h＿＿.I can't carry it.
问题解答：
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问题描述：
问题解答：
我来补答