in my computer和on my computer的区别改错题把in改成了on，为什么

in my computer和on my computer的区别改错题把in改成了on，为什么 computer in my life I'm working _ my computer,用in or on? 可以说“on my computer”吗 I am working on my computer和I am working with my computer有什么区别 My computer game is in my d_____ there is a computer on my desk 和this is a computer on my ndesk有什么区别? my computer , on my mind和in my mind 有什么区别 和in my heart和on my heart 呢 in my opinion和on my opinion各是什么意思 on my heart和in my heart的区别 I write my homework on my computer.对划线部分提问 ________on my computer I usually use the computer ___ my homework A for B in C on D with I played games in/on/at/with my computer last night. I usually use the computer ___ my homework A for B in C on D with My sister does well ( ) Computer Stdies.选择：A.on B.at C.in D.to My computer can not write in Chinese sorting data in my computer什么意思