there are pen ,a knife and several books on the desk.哪错了?

There is a pen and a pencil 还是There are a pen and a pencil there _ a pen and abook A.is B.are this is ------- -------- （pen).There are -------- (pen).填空 ()3.There are some () on the table.A.pen B.pens C.a pen there is a pen on the table;那there are pens on the table可以吗? 如何使用there is和there are比如说：there( )a desk in the classroom.there ( ) no ink in my pen. There ___ a pen and two pencils on the desk.用is还是are~There ___ a pen and two pencils on the desk.用is还是are~ is there a pen and some books on the desk?肯定回答是yes,there is 还是yes there are There are some books,a pen and a pencil on the table,________there? There are a book and a pen on the table.就近原则不用考虑吗 there are a pen,a knife and several books on the desk.哪错了? there is a pen and two books on the desk.还是there are a pen and two books on the desk?对这语法不懂,急用! —There's a ball pen and some pencils.—There are some pencils and a ball pen.这两句意思相同吗?判断意思是否相同. There is a pen and three apples on the desk.为什么用is不用are? 请问:There ____ a pen and two pencils in the bag.填is 还是 are 急 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 are a pen and some bookson zhe desk 这句哪里错了?