第20题: [单项选择]—Jerry, will you please go and empty the rubbish —______
A. What is it B. What for C. How come D. How is it 参考答案:B 答案解析:[解析] 考查省略及语境。答者不知道为何要倒空垃圾，所以问原因为最佳。What is it “是什么东西 ”What for “为什么 ”How come “怎么可能 ”How is it “怎么样
第35题: [单项选择]Because of the great speed of light, we see a lamp light up almost at the exact moment______. A. we turn it on B. when we turn on it C. that we turn on it D. which we turn it on 参考答案:A 答案解析:turn on开，旋开(电灯、自来水、无线电等)，其中 on是副词。“动词+副词”构成的动词短语后跟人称代词时，该人物代词必须放在动词和副词之间。which作连接代词时，在其引导的名词性从句中充当某种
