The best way to explore _______ countryside is on _______foot.
| A．a; a | B．不填; the | C．a; 不填 | D．the; 不填 |
The present financial crisis has put the world economy in a difficult____________
| A．occasion | B．case | C．background | D．situation |
. Now, the world’s focus is all on Shanghai ______ the 2010 world Expo is to be held.
| A．when | B．whose | C．where | D．that |
There____________be any difficulty in passing the oral test since you have practiced a lot in the school.
| A．mustn’t | B．shan’t | C．shouldn’t | D．needn’t |
____you are familiar with the author’s ideas, try reading all the sections as quickly as you possibly can.
| A．Now that | B．Ever since | C．So that | D．As long as |
Only lately _____ about the dark secrets behind the seemingly-happy marriage of the
golf star Tiger Woods.
| A．the public have known | B．were the public known |
| C．have the public known | D．the public knew |