— The “No.1 Document” is designed to help the rural population increase their incomes.— I believe that peasants’ life ______ better and better.
Do you mind ______ alone at home?
______ unless I call you.
_______ about the universe up till now.
So badly ______ in the accident that he was sent to a hospital.
Not until Mr. Smith came to China ______what kind of a country she is from.