these watches are theirs.把theirs画上用whose watches are these提问

these watches are theirs.把theirs画上用whose watches are these提问 These cats are theirs.(对theirs提问） 就括号里提问.These books are (theirs) these lunch boxes are (theirs).括号里的theirs划线提问. these books are theirs.同义句 These books are theirs. 的同义句 these balls are theirs改为同义句 Are these my watches ?改为同义句 Are( )watches( ) whose sweater are these?＿,l think. A.they B.their C.theirs These are their watches改为同义句 these are his watches.翻译成中文 Are these watches white 肯定句