Chinese new traffic rules in 2013 give more severepunishment to offenders compared with ______ carried out in previous years.

The more you smile, the _____ you will feel.

My father always has fun _______with the neighbours on weekends.

Eregulations and compete on the principle of fairness and cooperation.

It’s too hot. Would you mind my _________ the window— _________. Do it as you like， please.