．She was told to wear flat shoes ________ her back problem

Don’t smoke here, Sir.一Oh, sorry. I it was a non-smoking area.

This is the first time that I have seen you in thisneighbourhood!— I ________ here only last week.

______ me when you get it through and I’ll pick you upat your work place

If you don’t __________, you won’t catch the early bus.