Most computer users think it necessary for their software ________ regularly.
He ____ me to keep away from cigarette and take more exercise.
I _____ to take a holiday this summer, but I had to change my plan .
-I heard Back Street would sing at the New Theater.-Where did you _____?
-Are you satisfied with her answer?-Not at all. It couldn’t have been _____.
I will give the book to _____ wants to read it.