—_______ John this week? —Yes. —Where _______ him? —In the library.
| A．Did you see; did you see | B．Have you seen; did you see |
| C．Do you see; have you seen | D．Have you seen; have you seen |
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 |
27. More and more Chinese women are having difficulty ______ Mr. Right or are choosing the single life.
| A．to find | B．finding | C．found | D．in being found |
26. He returned home very late as ______.
| A．normal | B．usual | C．common | D．Ordinary |