You ________ pay too much attention to your reading skill, as it is so important.
| A．can't | B．shouldn't | C．mustn't | D．needn't |
_______ what would happen, none of them could find a way out.
| A．Left wondering | B．Having left wondering |
| C．Leaving to wonder | D．Having left to wonder |
Students who pass the test will be ______to the next grade, as has been announced.
| A．possessed | B．promoted | C．proposed | D．allowed |
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 |
____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 |
---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 |