it is pencil是对的吗

It is a pencil对pencil部分提问 we have pencil boxs is red and blue 是对的吗 Is that a pencil?的答语是Yes,it is.还是 Yes,that is. it is a pencil box对划线部分提问 it is sandy 's pencil 对 sand'S提问 It is a pencil-box. 改为复数句是什么? 它后面是______are_______. 这样的 Is thisyour pencil?请问答句是Yes,this is.It's my pencil.还是Yes,it It is a pencil的另一种问法 答也要 it,my,pencil,not吗,is 连词成句 这可能是詹妮的铅笔盒 -it's-pencil box This is a pencil box.对a pencil box 提问 This is a pencil box.(对” a pencil box”提问 )