【whenashark______(appear),abellringswilltellthepeopletogetoutofthewater】
2020-12-30 164次 反馈错误 加入收藏 正确率 : 100%
题目内容：
when a shark ______ (appear),a bell rings will tell the people to get out of the water
优质解答
when a shark (appear),a bell rings will tell the people to get out of the water
条件状语从句主句是一般将来时,从句用一般现在时.
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