I was still sleeping when the fire _ ___,and then it spread quickly.
The police warned the children __________the football in the street.
__________does it cost to go from Shanghai to Beijing?
They spent _________time ___________ the computer games.
-----Why do many people like to ride bikes?----Because bikes not only need ________ space, but also cause _________accidents.
I think it’s easy ________you _________English well.