一个月中不可能出现 5 个星期天。( )
错误
31÷7＝4（周）……3（天），这 3 天可以有一天是星期天；
30÷7＝4（周）……2（天），这 2 天可以有一天是星期天；
所以一个月中可能出现 5 个星晴天。
原题干一个月中不可能出现 5 个星期天是错误的。
故答案选：×
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______ they ______ a kite yesterday?
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I ______ see ______ boats on the river.
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______ ______ the streets messy and dirty?
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They are good ______ (friend). They’re in the same class.
