用正确的be动词(am ,is ,are ,was,were)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
用正确的be动词(am,is,are,were)填空.
用be 的正确形式填空并翻译( am is are was were)
填写适当的动词be(am, is, are, was, were)
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.
用正确的be动词填空.括号内填入[is am are]
用动词be(am,is,are)填空
用be(am is are)动词填空