题目

“Well, I’ll tell you a secret ...” said the boy, with his mouth almost _____ my ear. A. touched           B. touching          C. touch             D. to touch 答案：B 解析: 考查with 的复合结构。his mouth与touch之间是主动关系。中国是世界上最早利用天然气作燃料的国家．天然气的主要成分是（　　）A．CH4B．COC．H2D．CO2