The limits of a person’s intelligence,generally speaking,are fixed at birth,but________he reaches these limits will depend on his environment.(2012·安徽,27)
—Would you like _______ , sir? —No, thanks. I have had much.
Our manager goes to work ___.
—When shall we start? —Let's _____ the time for the trip. What about 8:30? Is that all right?
I’m so busy today that I can’t __________ the house.
I met my old friend ____________ on my way home from school.