第18题: [单项选择]Iceland lies far north in the Atlantic, with its northernmost tip actually ______ the Arctic Circle. A. touches B. touched C. touching D. being touched 参考答案:C 答案解析:[解析] 介词with后面跟一个“名词+动词-ing”结构,with its northernmost tip ae-tually touching the Arctic Circle它的最北端实际上