How many ball pens do they have?They have fourty哪里错了

How many ball pens do they have?They have fourty哪里错了 how many ball pens are there in the pencil-box?为什么中间要加are there? How many pens is there? How many pens do you have? 改正错误How many are the pens? How many pens ____she a,is there b,are there c,does have d,do have How many pens can he buy _____the money.A.for B.with C .use D.on ---How many pens are there in your pencil-box?---_______.A.No. B.None.C.Neither D.Either. 连词组句 many,how,pens,have,you,do（?） 连词成句：pens many you how have do how.you.pens.many.have.do(?) (连词成句) 连词成句.many do how pens you have? How many pens are therein your pencil-box怎么回答 How many are the pens这句话哪里错了 how many pens do you have?可以这样译吗?有什么区别?how many pens have you got? “他有多少支钢笔”用英语怎么说?How many pens does he have?还是How many pens do he have? how many pens are there in your pencil-box的答句 How many pens are there in your pencil box?(怎么回答）