第二节语法和词汇知识(共l5小题；每小题l分，满分l5分)
从A、B、C、D四个选项中，选出可以填人空白处的最佳选项，并在答题卡上将该项涂黑。
We_____last night，but we went to the concert instead．
A．must have studied B．might study
C．should have studied D．would study
—Why are you so depressed?
—I _____ my MP4 player on the bus．
| A．had lost | B．am lost | C．have lost | D．was lost |
Tired and disappointed, the rescue team finally reached _____ used to be a village．
| A．where | B．that | C．when | D．what |
Noise is unpleasant, _____ when you are trying to sleep．
| A．especially | B．specially |
| C．extremely | D．naturally |
So hard-working _____ that he sets a good example to all the other classmates．
| A．he is | B．is he | C．does he | D．he does |
With more and more forests _____, many animals are facing the danger of dying out．
| A．to destroy | B．destroying |
| C．destroyed | D．to be destoyed |