—Do you think David will fail in the maths exam again?
—________.
| A．No，I don't believe it | B．I hope not |
| C．I expect not | D．I don't suppose it |
32. The traffic problems we were looking forward to seeing ______ should have attracted the government’s attention.
| A．solving | B．solve |
| C．to solve | D．Solved |
31. The decision ______ Internet addiction（成瘾）as a mental disorder has caused much debate.
| A．to classify | B．classifying |
| C．being classified | D．to be classified |
30. As we watched the panda, we stood still, ______ to one another.
| A．dared hardly to whisper | B．hardly daring to whisper |
| C．dared not to whisper | D．not dared whisper |
29. Contrast may make something appear more beautiful than it is when ______ alone.
| A．seen | B．to be seen |
| C．being seen | D．having been seen |
28. At a rough look, the area of the city is about ______ the old one.
| A．three times the size as | B．three times the size of |
| C．three times that is | D．three times what is |