lesson 5 how many ? 多少penruler pencilcrayonpencil boxwhat's this ? • It's a pen . pen• It's a pen . what's this ? • It's a ruler . what's this ? what's this ? • It's a pencil box . • It's a crayon . what's this ? how many crayon do you have你有多少支彩笔? five how many pens do you have你有多少支刚笔?how many books do you have你有多少支彩笔?• I have three books how many rulers do you have ?你有多少把尺子?