If a new industry ______ create social wealth and increase social welfare, it is positive.
There are many bad customs and laws that ______ to be abolished.
You ______ met my grandmother. She died before you were born.
Jenny ______ kept her word. I wonder why she changed her mind at the last minute.
Peter ______ come with us tonight, but he isn't very sure yet.
—Could I borrow your dictionary?
—Yes, of course you ______.
He ______ caught the 9:00 train because he didn't leave home until 9:10.
As middle school students are in their adolescence, parents and teachers ______ pay more attention to them and give them necessary education.
When we got to the cinema, the film hadn't started yet, so we ______ hurried.
Every foreign student who has been admitted to study in America ______ have a legal document called visa from the United States government.