What are they? 再问： 2.They are traffic lights. 再答： What are they�� 再问： 3.I am driving a car. 再答： What are you doing�� 再问： 4.The hospital is east of the library. 再问： 等一下，我吃饭！ 再答： Where is the hospital�� 再问： 5.Today is Wednesday. 再问： 在吗？ 再答： What day is it today��
