第二节：单项填空（共15小题；每小题1分，满分15分）
从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。
6. Something _______ wrong with the machine, and it _______ not work.
A. being; could B. going; should C. were; might D. went; would
7. ¾ Mum, I don’t know whether I should take a computer course at weekends or not.
¾ I leave _______ to your own judgment.
A. it B. what C. this D. that
