All________they have done is good for us.
Jackie, your brother is trying to sleep. Could you please _______ your radio?
Our teacher said there would be ______ books in the new library.
I think there will be ______pollution and ______ cars in the future.
—I am sorry I _______ my exercise book at home.— Don’t forget _______ it to school tomorrow.
—Have a great time at the dinner party!—______.