题目

The man ________ on the ground ________ that he had ________ his bicycle behind that big tree. A. lying；lied；laid  B. lying；lay；laid   C. lay；lied；lain  D. lied；laid；lied 答案：A下列物质属于纯净物的是（ ）A．洁净的空气B．雪碧饮料C．加铁酱油D．干冰