He smiled politelyMary apologized for her drunken friends.
We must do whatever we can ______ those who are in trouble.
—Have you handed in your schoolwork yet?—Yes, I have. I guess it ______ now.
You can never imagine what great ________ we had _______ your school last time.
— _______— I said you’d better go by bus.
I ______ for London tonight, for there is ______ an important meeting there.