People have planted a lot of trees and grass in order to ____ wind and sand in the desert.
“When he _____ is not known yet.” “But when he ____, he will be warmly welcomed.”
— A:Oh, I ______ where he lives. —B:Don’t you carry your address book? —A:No, I ______ to bring it.
As it was almost time for the flight, all the passengers got ______ the plane.
I’d prefer _______ if I didn’t have to get up early on Sundays.
Language has always been —— as the phrase goes —— the mirror to society. English is no ______