---If there are _____people driving, there will be ______air pollution.---Yes, the air will be fresher and cleaner.
My friend has the same haircut __________ I do.
Some scientists think that it may take ______ years to make robots look like people, and do the same things as us.
I think he is a student, ____?
What ____ sad news! We can’t get the movie tickets.
When she _____ the newspaper, the baby _____ asleep.