单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级used to do be used to doing be used to do辨析:used to do 过去常常…… beget used to sth.doing sth.. 习惯于…… be used to do 被用来做……A. 选用适当的词组填空:1. Life here is much easier than