We all look forward ____ your beautiful country.
Joanna won’t leave her job undone ________ told to.
In the Spring Festival, Jonny sent each of his classmates a card with best wishes, but he received ________.
—I’d like to buy ________ book recommended by our English teacher. —But I don’t think it ________ good one.
— Good-bye ! I’m going back to my hometown this afternoon. —________
I was told that by 1990 things were beginning to improve, _________ quickly enough.