In dealing with public relations, we should make every effort to prevent the _______ in personality.
Do you know how many people ______ up to now?
It is _____ my father worked _____ I work now.
Because the two countries were at _____ war, the people had ______ hard life.
—Have you graduated from college? —Yes, ________.
______ he can hardly read is ____________ he is slow in mind.