______visited the Shanghai World Expo is sure to tell you the place is worth visiting twice.
| A．Those who have | B．Whoever has |
| C．Those who has | D．Whoever have |
I’m sure your suggestion will _______ the problem .
| A．contribute to solving | B．contribute to solve |
| C．be contributed to solve | D．be contributed to solving |
— I hear that Bai Shan can’t afford his schooling this term .
—__________ , let’s do something for him .
| A．If so | B．Where possible | C．When necessary | D．What a shame |
With no rain for months and fresh water ______ , the situation in Yunan Province was getting from bad to worse .
| A．run out | B．run out of | C．running out | D．running out of |
Early this year cruel snowstorms hit southern China , ______ great transportation problems in some areas .
| A．causing | B．caused | C．to cause | D．having caused |
If you don’t ______ your smoking , I will _______ your money supply .
| A．cut up , cut down | B．cut down, cut off | C．cut in , cut off | D．cut in , cut up |