1.There ________ (用be的正确形式填空) three books,a pen and a bag on

1.There ________ (用be的正确形式填空) three books,a pen and a bag on 用括号里单词的正确形式填空There( )(be)two books and a pen on the desk 1 there[ ][be] a pen and three books on the desk 2 my ruler 18.There _____ a pen,two pencils,and three books on the desk There ________ a pen and two books on the desk． 英语选择和结论A．is B.are1.There ______ a pen and three books on the There is a pen and two books on the desk.改为一般疑问句后be该用单数还是复数? There 什么a pen and two books on the desk there is a pen and two books on the desk.还是there are a pen a There （be）a boy and three girls in the room.（用适当形式填空） there're some books and a pen in the bag 改为一般疑问句《 》there 《 》 用be的正确形式填空There___(be)a tree,a river and many flowers on the