区别：These pencils are in many different colours.These pencils are of many different colours.in和of ,这两个句子有什么区别么?或者，哪个更好一点？

whose are these pencils?和whose pencils are these?有什么区别? Are these your pencils? whose are these pencils?和whose pencils are these? these are your pencils.[对画线部分提问】 【 】pencils are [ These pencils are red ,and - - - -e pencils are green. These are___(we) pencils,and those are ___(they) pencils. These pencils are red.变一般疑问句. These are pencils-boxes哪里错了? are these your pencils同义句 are these your pencils?改为肯定句 These are my pencils改为单数句 are,these,pencils,yours(连词成句) Hi Anna Are these your PenCils? Are these your pencils?同义句Are these your pencils?的同义句是什么? Whose pencils are these?They are (our/ours)pencils.They are(our/ours). 区别：These pencils are in many different colours.These pencils are of many different colours.in和of ,这两个句子有什么区别么?或者，哪个更好一点？ These are (your) pencils.(对括号内的单词题问) ( )pencils are ( These are pencils.改为一般疑问句并做肯定回答