We’re advised not to leave the water ______ after using it.
She promised to ______ at the meeting but she didn’t ______.
In order to win back the customers, the owner of the restaurant decided to sell his food ____.
Most smokers say they _______ smoking to some degree but health experts suggest that they had better give it up ______ their health.
— Sorry to bother you. —_____ You didn’t mean to, did you?
Sir, you ______be sitting in this waiting room. It is for women and children only.