There are a desk and a book in my bedroom哪错了

there are two chairs and a desk 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~ There is a book,two pencils and a box on the desk.请问用There is 还是There are? There ( ) a desk and a bed in my bedroom?1.is 2.are 3.has There ( ) a nice desk and some toys in it.A.is B.are look there ___ a pencil and some books on the desk A.is B.are There( )a computer and two books on the desk.A are B is there are a pen,a knife and several books on the desk.哪错了? there ( ) a desk and a bed in it.中括号中填 is 还是are There are a desk and a book in my bedroom哪错了 There's a desk and o___ the desk.首字母填空 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 is a desk and two chairs ( )the desk,there is a ( )and some ( ). 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 )(a book)and (two pens)(on) the desk阔号中哪个错了 There a book and two pens on the desk.是填is 还是are为什么 There is a pen and three apples on the desk.为什么用is不用are?