. —What do you think we can do for our aged parents?
—You __________ do anything except to be with them and be yourself.
| A．don’t have to | B．oughtn’t to |
| C．mustn’t | D．can’t |
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 |
—Did you listen to the lecture given by the famous herbalist doctor Zhang Wuben?
— No, we ______ it. But we had a lot of traffic on our way.
| A．could have attended | B．must have attended |
| C．could attend | D．shouldn't have attended |