what is known to all,smoking is harmful to our health

what is known to all,smoking is harmful to our health
1这句话对吗
2改用As开头应怎么改
3改用It开头应怎么改
英语人气:328 ℃时间:2019-08-21 15:43:08
优质解答
1.错了
2.As is known to all,smoking is harmful to our health
3.It is known to all that smoking is harmful to our health
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