this is how that boy worked out the problem可不可以把how和that的位置换一下?

this is how that boy worked out the problem可不可以把how和that的位置换一下? How old is that boy?主语是谁 How much is it/this/ that? How happy this boy is和How happy he is哪个对? how n___the boy is who is This boy this boy is (thin)than that boy中间的thin怎么填 This is the boy ----------I think (who/that)is the smartest.是用that 还是who? How old is that boy的同义句：（填空） 空 that 空 空 越快越好 who is that boy over there ( he is 还是this is ) my brother How is this different form that of your parents' generation? How does that work?This piano thing is so confusing how (care) the boy is. How is the little boy This is a lovely boy(改成以how引导的感叹句)xiexie This jacket is yellow 和That boy is jim Green怎么改成一般疑问句? 1、that boy is higher than this girl2、His horse is stronger than Tony This is an 8-year-old boy.That girl is 7 years old .