Even if the treatment ________, there is still no magic pill for the patients in the last stage of AIDs.
| A．works | B．uses | C．does | D．helps |
29. High up in the mountains _____ a quiet small village, with only 20 households.
| A．surrounds | B．locates | C．lies | D．Lays |
28. A heavy snow promises a good harvest, _____ is often the case.
| A．where | B．as | C．that | D．What |
27. After his wife died, he kept himself _____ from other people and the outside world,
| A．set off | B．cut off | C．put off | D．taken off |
26. — Why is little Jimmy so naughty today?
— He is bored, so he _____ a little silly.
| A．will be | B．is being | C．had been | D．would be |
25. — Real Madrid is sure to win the match!
— It's hard to say. You know, anything _____ happen even in the last minute.
| A．can | B．must | C．should | D．Need |