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Trees take in harmful gases from the air ang produce oxygen for us to breathe Trees_____ turn
harmful gases from the air ______ oxygen for us to breathe.英语学案上的题
人气:110 ℃ 时间:2020-03-28 02:45:03
解答
填into.有两个地方需要填那就在turn前填上can:Trees can turn harmful gases from the air into oxygen for us to breathe.树木能把空气中的废气变成氧气供我们呼吸。
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