选择题:Industrial cities such as Chicago and Detroit have 题目分类:许昌学院-行政管理-大学英语3 题目类型:选择题 查看权限:VIP 题目内容: Industrial cities such as Chicago and Detroit have severely ____ the waters of the Great Lakes.( )(本题5.0分) A、 pollutions B、 polluting C、 pollutes D、 polluted 参考答案:
He stumbled ____________ the staircase and hurt hi He stumbled ____________ the staircase and hurt his leg.(本题5.0分) A、 in B、 to 分类:许昌学院-行政管理-大学英语3 题型:选择题 查看答案