Look at the sign. You have to _____ in the library.
Did your father tell you _______?
You will have no difficulty ____ the problem if you ______ it.
He devoted his lifetime ______ it possible for women _______ better education.
At weekends I prefer______ at home _____ a good rest.
-- Will you hold a party in the open air?-- I'm not sure, because it ___ the weather.