that we can’t get the necessary equipment , we will have to give up the experiment.

Our society insists on regular habits, timekeeping and punctuality, and whether we like it or not, ______ we mean to make our way in society, we have to comply ( to act in accordance with a demand, rule, etc.) its demands.

Children of this age should be reminded of________ to do in public places.

_________ we have been classmates for three years, she hasn’t left me much impression, so I can’t remember her after graduation.

Hurry up, ________you’ll miss the bus.