o I bought the book from a se/f- service bookstand. o The supermarket designated quite a few pick-up points in some comparatively densely populated communities in suburban areas. o As winter is coming,it is time to buy some warm clothes. I bought the book from a self￾service bookstand.  The supermarket designated quite a few pick-up points in some comparatively densely populated communities in suburban areas.  As winter is coming, it is time to buy some warm clothes