Why not help when you were in trouble?
We don’t know ________will happen in 100 years.
Sam ,do you know if Alice _______to my party next day ? I think she will come if she ______ free .
In the future, there will be _______fresh water because there will be more pollution.
________do you ________ talk shows ? I can’t stand them.
How soon will you come back? ___________________ .