用be的适当形式填空：These books in the backpack This his watch .It white

用be的适当形式填空：These books in the backpack This his watch .It white 用“be”的适当形式填空 用be(is,am,are)的适当的形式填空.1.This( )my mother.2.These( )our books. Where_____you______(be)there days?用be的适当形式填空... 用适当的形式填空.1.Who（ ）（he）these girls?2.Those( ) (be)my rulers.3.What()(be)this in english? 二、用be动词的适当形式填空, 用be或have的适当形式填空 用动词BE的适当形式填空[ ]you Mr Green People____friendly here.用be动词的适当形式填空 用动词的适当形式填空 Let's____(be)friends. 用be动词的适当形式填空:mine is( )red 用系动词be的适当形式填空 用there be适当的形式填空要怎样填? 用be的适当形式填空（初一英语） These are my (parent)(选择适当的形式填空) 用be或have适当形式填空 用be动词适当形式填空. we need ( )answer----(用适当形式填空) these question