(1)he,come,did,from,where (2)who,you,Tv,set,know,the,do,invented
问题描述：
(1)he,come,did,from,where (2)who,you,Tv,set,know,the,do,invented
(3)produce,we,our,month,will,in,about,factory,next,550,cars
(4)our,divides,English,often,us,three,groups,in,class,teacher,into(连词成句）
答
1. where didhe come from
2.doyou know who invented Tv set
3.we will produce ourcars in factory about 550 next month
4.our English teacher often divides us into three groups in class