It ________ me about 10 minutes to walk there.
| A．pays | B．costs | C．takes | D．spends |
— Can you play chess?
— No, but I can play ________ piano very well．
| A．a ; the | B．the; / | C．/; the | D．the; a |
—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 |