什么是用am is are的适当形式填空?

什么是用am is are的适当形式填空? 用be动词适当形式填空（am,is,are） 根据句意用所给词的适当形式填空＋用am,is,are填空 用be(is,am,are)的适当的形式填空.1.This( )my mother.2.These( )our books. How _____ this pair of shoes?It ____ nice.用is,am,are或has,have的适当形式填空. 语法专练用be动词(am,is,are）的适当形式填空 用am,is,are适当形式填空 （）peter and Sam fat? 用be动词的适当形式(am is are)填空 I Bill and yuo Jim.根据汉字意思填空根据汉字意思填空,每空一词请问,你贵姓What 's your _____ _____,please?用be动词的适当形式(am is are)填空 I——Bill and yuo——Jim。 That is ( ) bike.(she)( )are sons.(he)用所给词的适当形式填空 用所给词的适当形式填空 You are too small to___________(is)A. 用所给词的适当形式填空.1.My name is Gina.I am my___(pa用所给词的适当形式填空.1.My name is Gina.I am my___(parents) daughter.2.This is her school bag.___(my) ison the desk.3.Are _____(that) your friends? Are you busy now?No,I am not ()(busy)I was yesterday.用形容词的适当形式填空 请根据句意选择动词be的适当形式（am,is,are）填空Do you ____ ____ ____（认识这个男孩）,Peter? 用适当的形式填空 They are Jim's____(parent). 用is,am,are填空 用are is am填空 用am.is.are填空, 用am,is,are 填空,