You      remind him to keep things neat and tidy, because he is well organized. 

It’s nothing serious. You’ve just caught.          a cold. 

– May I take the magazine out of the reading room?-- No, you can’t. You            read it here. It’s the rule.

--Excuse me，Mr. Li,_________ I close windows? It’s cold now.--Yes，you__________

On rainy days, accidents ______ happen sometimes on steep roads．