He is busy ( )his homwork( )括号中填什么?

He is busy ( ) his homework. （ ）is he going with?His father.括号里填什么 he is busy packing his suitcase He is busy ﹍(do) his homework 七年级下册英语：He is( ) up one of his friends.括号里填什么?A,calling B,vi It is no good ( ) to come now.He is busy.括号中要填什么? Look at that( )(he)is Betty's father.括号中填什么 His father is very busy ,he is a man---business 请问jack has been busy _ his report.这句话中应该填什么 he is very busy(writing)his papers.he is far too busy（to rec he is - cook lt is -busy work a、a a、/ / 、a /、/该填什么 为什么不该填其他的 He is much too busy to look after his old