11：Tom的射击偏离了靶子2英尺。 12：我听音乐来让自己打起精神。 13：她从没坐过他开的车。 14：我们不应该通过外貌来评价一个人。 15：她被她的其中一个朋友照顾着。 16：据新闻报道，他被鲨鱼吃掉了 17：有个老人被他的子孙们围绕着坐着 18：顺便问下，你知道Mary辞职的事吗？ 19：她毫不费力地把那首诗牢牢地记在心中 20：side by side 肩并肩站着 a part of sentences i didn't revise because they are quite right,and i found most of them are "by——"sentences,they are not easy to learn and translate,in Chinese,people used to say "被"，“通过”，or some prepositions in stead of "by"，sometimes we even don't use them,i know maybe it's pretty odd and difficult to you, anyway,Where there is a will, there is a way :)