根据答句写出问句。 (1)问句_________________________? Yes, of course. You can come in. (2)问句__________________________? I’m listening to music. (3)问句__________________________? They’re playing chess.
用is或are填空:
(1)There ______ some rulers in the schoolbag.
(2)There ______ an apple on the table.
(3)There _______ some milk in the glass.
(4)There _______ three boys in the playground.