This girl is ready to help people any time. When she is on the bus, she always her seat to someone in need.
--Sorry, I forget ____ my homework . --Don’t do that again.
The ____ is one of China’s ____.
Tony can play ____ chess, but he can’t play ____ violin.
____ students like to play computer games ______in their free time.
--Cindy, don’t fight with your friend . --____.