—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 |
Beihai Park is a beautiful place that many people come to visit it every day.
| A．such; so | B．so; such | C．such; such | D．so; so |