高手讲解下英语.there are many books and a pen on the desk中的on the d

高手讲解下英语.there are many books and a pen on the desk中的on the d there is a pen and two books on the desk.还是there are a pen a There 什么a pen and two books on the desk on ,are ,and,there,books,there,a,pen,the,desk连词成句 there are a pen,a knife and several books on the desk.哪错了? There is (are) a pen and some books on the desk .是倒装句吗? 改错 There are a pen and tow books on the desk. there are pen ,a knife and several books on the desk.哪错了? there is a pen and tow books on the desk.对 a pen and tow boo There is a pen,a knife and several books on the desk.中on the There are some books and a radio on the desk. many books,a clock,and,there are,on the desk.如何连词组句?