用be动词(am,is are ,was,were)的正确形式填空
用be动词(am,is are ,was,were)的正确形式填空
用正确的be动词(am ,is ,are ,was,were)填空
用be 的正确形式填空并翻译( am is are was were)
用正确的be动词(am,is,are,were)填空.
用be动词的适当形式(am,is,are)填空
用be动词适当形式填空(am,is,are)
填写适当的动词be(am, is, are, was, were)
be动词用法口诀:单数is,复数are,I是am,you是are,is用作她、他、它.用be动词的正确形式填空.
选择正确的be动词填空is,am,are
一般疑问句的构成?由be(am ,is,are,was,were ,) \情态动词(can
用“am/is/are/was/were"填空
用am,is,are,was,were填空.