精选优质文档-倾情为你奉上北京市海淀区2017-2018学年第一学期高一期末英语试题学校_ 班级_ 姓名_成绩_第二部分:知识运用(30分)第一节单项填空(共15小题;每小题1分,共15分) 从每题所给的A、B、C、D四个选项中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。21. People _ be careful when using Wi-Fi, for some networks may not be safe. A. should B. could C. would D. might22. If today were the last day of my life, I _something quite different. A. would do B. will do C. am goi