问题描述：
| Air service now is back to_____ after two days of heavy fog. |
| [ ] |
| A. usual B. normal C. ordinary D. common |
考点提示：形容词
最佳答案：
| B |
问题描述：
| Air service now is back to_____ after two days of heavy fog. |
| [ ] |
| A. usual B. normal C. ordinary D. common |
考点提示：形容词
| B |
上一篇：The little boy was ____by the ____ sound. [ ]A. to frighten; frightening B. frightened; frightening
下一篇：His desk-mate refused to help him cheat in the examination, which made him _____. [ ]A. excited B. r