—Would you like to join us in the game ?
— , but I have to help my mum．
A．I will B．I’d love to
C．I’m afraid not D．No
— Would you like something to drink?
— I’m not thirsty．
A．No, thanks． B．Yes, please．
C．OK. D．Some water, please.
—Have you mended your shoes, Bob？
—Yes, I _________ them twenty minutes ago ．
A．have mended B．mend C．had mended D．mended
—Listen! Is Mary singing in the next room?
—No. It _______ be Mary．She has gone to Shanghai for an important meeting.
A．can’t B．may not C．mustn’t D．needn’t
．Hurry up, ________ you’ll not catch the first bus.
A．and B．or C．but D．if
The old men in hospital ______________.
A．take good care of B．take good care
C．are taken good care D．are taken good care of
