IntheNorthandtheMiddleWest,it'sveryhotattimesandvery____atothertimes.Peopleinthesestateshave___hearttrouble.
2021-12-16 52次 反馈错误 加入收藏 正确率 : 100%
题目内容：
In the North and the Middle West ,it's very hot at times and very ____ at other times.
People in these states have ___ heart trouble.
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