these are his watches怎么改成单数句

these are his shoes.( )are these ()? 英语These are his brothers Are these shoes _______(his) These are his hands and blue his are pants these . 3、Are these his cousins?_____.They are his brothers these,those,brothers,sisters,and,his,are,his,are These are his brothers 改为单数句 are,his,these,books(?)(连词成句) These ____ (watch) are from his parents. these his are ears 连词成句是个疑问句 做否定回答.Are these his books? Are these his pens改为陈述句 Are these his parents?改为肯定句 These are his grandparents连词成句 These are his sisters.(改为一般疑问句) Are these his pictures 作否定回答 Are these his parents?(改为肯定句)