we have to keep the water clean 这句话对吗?不对的话请更正,
人气:130 ℃ 时间:2019-08-19 18:16:30
解答
当water表示水域的时候的,有单复数,前面加定冠词,如果只是表示水的话,则不需要家冠词,应改为 we have to/should keep water clean.
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