—Do you believe everything _______ is in his book?—No, not really. I only believe something ______ he says.
Mr Green has lived in China _______ two years ago.
I think she is ________at dancing than singing.
He goes to work early on workdays _________ Saturday and Sunday.
There will be trees and pollution in the future.
——I don’t know if she __________ tomorrow. —— If she _________ tomorrow, I’ll call you.