问题补充:
单选题_______thosepastyears,wecouldn’thelpfeelingsorryforourparentswhoneverhadarestalltheyearround.A.Looking back uponB.Looking aroundC.Looking outD.Looking up
答案:
A解析 词义辨析。Looking back upon回顾;Looking around向四周看;Looking out向外看;Looking up抬头看。句意:回顾过去的这些年,我们对常年不休息的的父母感到抱歉。所以选A。