There was something wrong with the network, or the e-mail____ earlier.
| A．could have been sent | B．might be sent |
| C．need have been sent | D．must be sent |
34. China has a population of 1.3 billion, ____ it the largest country in the world by population.
A. making B. made . makes D. to make
33. Most female workers in Beijing suffer from ____ connected to the global financial crisis, according to a recent survey.
| A．curiosity | B．eagerness | C．thirst | D．Anxiety |
31.－What are on show in the museum?
－Some pictures ____ by middle-school students.
| A．taking | B．having been taken | C．taken | D．being taken |
30. Even if you are an experienced teacher, you sometimes ____ make some mistakes.
| A．can | B．must | C．should | D．Will |
27.－What an amazing story! It’s the most impressive story I’ve ever read.
－But I’m sure it won’t interest ____.
| A．somebody | B．everybody | C．nobody | D．Anybody |