课时作业(二十三) 必修5 unit 3 life in the future ⅰ.单项填空 1．(2014•宝鸡质检)—god！the window is broken.who did it? —________i don’t know. a．who are you asking？ b．don’t look at me. c．are you joking？ d．it’s clear. 2．—tom，________the internet plays an important part in our daily life? —because it makes our life become more and more convenient. a．why was it that b．why is it t
