he is at work he is working 这两个一样吗

He is very careful when he is-----(on,at)work He is at work now.同义句 He father is( )work at the moment. Where is John?he is p( ) still at work. he is at work now.改为同义句 Maybe he is at work 的同义句 He is busy at work.能否改为he is busy working he is at work he is working 这两个一样吗 Is your father ____? No,he is not.He is ___ work.in on on foron inin at He is at work now.(改为同义句） He __ __ now. Is Mr Green ----?---No ,he is -----work.A in at B in in C at at D at in katie's father always leaves for work at seven oclock he is never late for work. He is busy at work.work可以加ing吗 有什么区别 where is your father?Is he at home No.he isn't.where is your father?Is he at homeNo.he isn't..He'll leave work and go home at five in the afternoon.填什么句子 look at he,he is tall. Doctor Brown is always busy at work .But next month he is going to He is good at scoring He is good at Chinese.