下列句子中，加横线词语的用法不同于其他三项的是（ ）

We must keep our room clean，for dirt and disease go________，you know

d I ask you a rather personalquestion——Sure, ____

How long do you think ____ thecar factory launches a new model

I don’t think you should use the dictionary while reading newspapers.　 —________ , but I can’t do without it.