I often chat on line on the computer.对划线部分提问,划线部分是chat on li

I often chat on line on the computer.对划线部分提问,划线部分是chat on li 1.Amy and Linda chat on the Internet twice a week.(对划线部分提问） we often chat with each other after school 对划线部分提问 划线部分：chat i often visit my grandparents on the weekend(对划线部分提问)（画线部分为o The picture are on the desk(对划线部分提问 划线部分是on the desk) I play on the computer after supper.（对划线部分提问） These women did the housework on monday.(对划线部分提问)划线部分是on Mon I often clean my room on the weekend.对划线部分提问 Mike often goes to the zoo on Sunday.对划线部分提问（划线部分是Mike） I live on the tenth floor.对划线部分提问,划线的是:tenth 是chat online还是chat on line 对划线部分提问：The plant is on the floor .划线处是on the floor