these are 什么 children 急

a disabled childre`s home 什么意思? 什么情况用These are什么情况用are these these are 什么 children 急 These trees are 什么 high these are your baby pants. 什么意思? And 什么they?These are my grandparents. what are these/those什么意思 “what are these”这句话什么意思? These geese are white.什么意思 Are these These shoes are twenty dollars.对twenty dollars提问.什么什么are these shoes 什么are these tomatoes?They are 2 yuan a kilo. 问题是what are these?答语是 什么 are scissors These are the books.T___ are in backpack.空里填什么? whose keys are these?they are y什么 keys. are these和are there有什么区别 whose are these pencils?和whose pencils are these?有什么区别? these are a watches和these are a watch有什么区别吗?如题