阅读下面的材料，根据所给的首字母提示，用合适的单词填空。
We usually buy things in a shop, a market or a supermarket. Shopping always takes too much
t   . We have to walk around for a long time to look f     the things we want. Sometimes we have to c  many heavy shopping bags. We’re always very tired after s   . Now it’s different from that in the past(过去). We can do many things at h   , we don’t need to go to the shop. We  can buy many good and c      things on the Internet(因特网), they look nice but don’t cost much. It seems easy and quick, b   it sometimes brings us some  trouble(麻烦). The clothes you buy on the Internet are d       from what you want, or the size is too s     or too big. You may see many people wear the same clothes in the street. Do you know why? B   they all buy clothes on the Internet. How interesting!