Those who don't get their sufficient sleep are actually sending a(n) _____ to severe problems in the...
2023-01-13 19:08:00 29次 2011-2012学年江苏省高三10月月考英语题 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Those who don't get their
sufficient sleep are actually sending a(n) _____ to severe problems in their
life.
A. invitation B. warning C.
explanation D. solution
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