问题描述：
The public transportation in this city is very convenient, where many buses run ______.
|
考点提示：副词,副词的比较级,疑问副词,连接副词
最佳答案： | D |
| 略 |
The public transportation in this city is very convenient, where many buses run ______.A．occasionall
The public transportation in this city is very convenient, where many buses run ______.A．occasionall
最佳答案： 