I have three pens in my pencil case.改为同义句

I have three pens and Tony has six pens. 1.which sentence is wrong?A.I have three pens,they are all in my pencil-box.B I have three pens,and they are all in my pencil-box.C.I have three pens,which are all in my pencil-box.D.I have three pens.They are all in my pencil-box.为什么选择A2.W I have three pens in my pencil case.改为同义句 I have three pens in the bag （同义句）英语 Tom has five pens and I have two pens.(改为同意句）I have three pens _____ _____ Tom. l have three pens in my pencil-box Mike has three pens.But I o ________ have one. I have bought three ballpoint pens,none of _____writes smoothly. I HAVE _________.A.THREE BOX OF PEN .B.THREE BOX OF PENS .C.THREE BOXES OF PEN .D.THREE BOXES OF PENS. i have two pens in may bag改成同义句 _____ ______two pens in may bag write with write in 有什么区别问题补充：I have three pens _____,but Ican't decide _______.Ato write with Bto write in 关于less和fewer.I have three pens less than him.pen是可数名词,为什么这里不是I have three pens fewer than him. l have three pens in my pencil-box.(改为同义句） I have three pens,none of them is expensive中的them应改为which, he has five pens and I have two pens.（改为同义句）I have three pens_ _（两空）he. 同义句转换.john has five pens and i have two pens.i have three pens____ ____ john.对啊,pens 是可数名词 我认为应该是fewer,可答案是less 认为是less 的,能说明下原因吗? I have three pens.He has only one.(合并句子） I have________pens______he.横线上填什么 句子I have three pens,but I want to get more.的More既是比较级,又是替代词吗?