those are my grangparents 这个句子中那个错了 求解 谢谢

Who are those?Those are my girls friends.这个句子对吗 Those are her tapes players.求解这个句子里的错误在哪? those are my pencils 改为单数句子 my grangparents love me. This is a boy and those are girls.这个句子中为什么用those不用that呢? these are my grangparents and (T )are my parents填什么 those are my parents These are my shirts.It's mine.这句话中那个单词错了? Look at those are frowers.这个句子对吗? i dont know who are those people这个句子对么? this is my classroom.the waii are white这个句子 哪里错了 Dogs and cats are my favourite animal 这个句子哪儿错了