21. — Do you mind if I leave my car here for a minute?
— ________．
A． Great ! I love cars B． Of course not. It’s not allowed here
C． No, you can’t D． I’d rather you didn’t, actually
22.—I have just received another message, telling me I have won a big prize.
—Don't jump on it. You ________.
A．should be cheated B．are being cheated C．are cheating D．must have cheated
