可以说How many are these pens?要说“这些钢笔是多少支”对吗?

可以说How many are these pens?要说“这些钢笔是多少支”对吗? 英语比较级我的钢笔你他的多,可以说My pens are more than his.还是要说:I have more 改正错误How many are the pens? How many apples are these are,these,how,pens,much,blue(?) 连词成句 Are these pens ___? These pens are your. How many are the pens这句话哪里错了 How many pens are therein your pencil-box How many are these apples?改错 how many donkey are these?改错 How many are these /there区别?用法?