用所给动词的适当形式填空

问题描述:

用所给动词的适当形式填空
1、What ________ you ________ ( do ) these days?
2、They kept me _______ ( wait ) outside the school for nearly half an hour.
3、There is a girl ______ ( wait ) outside the classroom.

1.are you doing
2.waiting
3.waiting