The boy is ti busy____with the boys____his mother come back home.填play和see的形式.a.playing,to seeb.to play ;to seec.playing,seeing d.to play,seeingThe boy is to busy____with the boys____his mother come back home.

The students are busy__(do)some exercises the boy is singing what is the boy where is the boy the boy is h0w is the boy. The boy is( )school? The boy is ( )the window? The boy hated ti wear black coat.改为同义句The boy （）（） to wear black coat. 翻译TI is implied in the passage that the author the boy is happy还是the boy is happily Is the boy()red yuo? The boy is c___the house The boy's______ is tom The boy is always___(fun). the boy is mine中文歌词 The boy is enjoying___meal now. The boy is in---------room