this article says ______（smoke）is bad for our lung.

this article says ______（smoke）is bad for our lung.
this article says ______（smoke）is bad for our lung.

this article says ______（smoke）is bad for our lung.
这句话你已经让他们说出来了,你的问题我解决吧：sb.had better do sth 某人最好做什么,而sb.had better not to do sth 表示：某人最好不要去做什么、

smkoing是动名词做主语

smoking，says后面是宾语从句，smoking在宾语从句中做主语，所以要用ing形式you had better ask your brother （ ） playing computer games。 A、to give up B、not to give up C、to give it up D、not give it up选A为什么？这话什么意思意思就是 你最好让你兄...

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smoking，says后面是宾语从句，smoking在宾语从句中做主语，所以要用ing形式

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smoking 动词后面跟ING