【北京市2015年中考英语试题】– Jack, ____ you ride a bike?–Yes, I can.
--- Don’t run in the hallways.--- ______, I won’t do it again.
In South Korea, most students get to school ________.
It takes ________ half an hour ________ on foot.
We usually play sports _______three hours every day.
What _____ he usually ______ after class?