一、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。
1.－Was the class long enough ?
－No , enough .
A. it wasn’t much too long B. it wasn’t too much long
C. it wasn’t quite long D. it wasn’t much long
2. The secretary said , “You are on the phone , Mr. Li !”
A. wanted B. asked C. invited D. required
3. A thief is dangerous to society .
A. the B. a C. one D. /
4. It is the greatest happiness on earth .