这个英文句子对不对
问题描述:
这个英文句子对不对
for example,cars have made the air not healthy for people to breathe and poisonous gas is given off by factories.
答
made-caused the去掉 not healthy -unhealthy is时态不对was为什么不用not不是不能用,只是没有那个好,按语法来说,你的也没错