Bears _____ fat stores throughout the summer and fall to have energy enough to last them through the...
2022-12-04 16:26:53 64次 2014届湖北公安高三上期开学考试英语卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Bears _____ fat stores throughout the summer and fall
to have energy enough to last them through their winter sleep.
A.pack
up B. build
up C. bring
up D. take up
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