They are working ( ) a computer填on还是for啊那个,a 后面还有new,忘了打

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They are working ( ) a computer填on还是for啊那个,a 后面还有new,忘了打
They are working ( ) a computer
填on还是for啊
那个,a 后面还有new,忘了打

They are working ( ) a computer填on还是for啊那个,a 后面还有new,忘了打
填on
work on 意思为从事于…；继续工作；影响,对…起作用
they are working on a new computer 意思是他们正在研制一种新型计算机
work for 意为为…工作；效劳；为…效力
they are working for a new computer 意思为他们正在为一台新电脑工作
不合逻辑,而且work for 后一般加人或公司,而不是物体.一般意为：为某人或某公司工作
所以在这里用work on

for
本来电器前面的介词都该用ON的但如果电器名词前还有其他修饰词那么就不能用on只能用for了

填on...
work on a new computer
意思大概是在为这台新电脑努力.可能这台电脑还在发明过程中
因为这里用了a,所以不能理解为在电脑上工作,因为主语是they
如果是for就变成为新电脑工作.只能说work for somebody..

on
work on the computer在电脑上工作
无论有没有new,都是填on

They are working They are all working ____.. They are working 同义句 They are working.对They提问 They are working hard.对working hard进行提问 They are hard-working.怎么改为感叹句? They are working hard.改感叹句 They are working hard.的汉语意思 are they playing or working是什么意思 they are working hard 变为感叹句【】【】they are They aren't working now.They are on ______. They are working in the garen 对画线部分提问画线的是are working They are working very hard〔改为感叹句〕 They are （working hard）就括号部分提问 they( are working )in canada 对括号部分提问 THEY ARE ALL WORKING HARD（改为同义句） they are working at the moment.(改为一般疑问句） They are working ____(hard)to learn English