___of the pens in my pencil box are from my sister.A.Three-t

___of the pens in my pencil box are from my sister.A.Three-t There __ a pencil and three pens in my box there are()pens in my pencil box my pens are in the pencil box.改为一般疑问句. My pens are in the pencil box 改为否定句 My pens _____ in the pen l have three pens in my pencil-box In my pencil-box——an eraser and three pens.A there is B ther l have three pens in my pencil-box.(改为同义句） My pens are (in my pencil-box)(就打括号部分提问） There are three pens in the box? 用适当的介词填空 My pens are the pencil box my three pens are in the pencilbox 改为否定句