--- You always spend only a little time on your study. You really _____ me down.--- I’m sorry, Mum. I won’t do that again.
—What we read usually _______ our thinking. —I think so.
—I’m trying to find a better way to _______ my old books. — OK.
— ________Ningbo you see today is _______ different city from what it used to be. —I think so.
My sister and I ______ on the playground (操场).
——Have a nice day! ——___________________.