用am is are或have has 填空
用to have或am,is are,have,has填空
用am is are或have has 填空
用have has am is are填空
用am is are have has 填空
用"am,is ,are,have,has"填空
用am is are have has填空
用is ,am ,are ,have ,has ,can ,do ,does ,填空
选用be动词(am,is,are)或have ,has填空
用am,is,are,have,has填
( )I a pupil?Yes,you are.用am, is ,are,have,has填空
用am is are have has thereis thereare 填空: ( ) these big resta
一般现在时、现在进行时用am、is、are、have、has、填空