The reporter has ever had a case ______ he got the wrong end of the stick.
| A．which | B．that | C．who | D．where |
32. Once he starts a job, he won’t stop ______ it’s finished.
| A．if | B．until | C．after | D．While |
31. An e-pal, as you have known, means a friend ______ you write e-mails.
| A．to which | B．for whom | C．about whom | D．to whom |
30. He will not tell the fact ______she has gone to Beijing.
| A．which | B．what | C．that | D．How |
29. The film is ______ a film. It is also a good material for education.
| A．more than | B．no more than | C．not more than | D．not less than |
28. The water will be further polluted unless some measures ______.
| A．will be taken | B．are taken | C．were taken | D．had been taken |