问题描述：
The population of many Chinese cities has _________ doubled in the past 30 years.
|
考点提示：副词,副词的比较级,疑问副词,连接副词
最佳答案：
| B |
| 略 |
问题描述：
The population of many Chinese cities has _________ doubled in the past 30 years.
|
考点提示：副词,副词的比较级,疑问副词,连接副词
| B |
| 略 |
上一篇：Come early, _____ you’ll miss the film.A．or elseB．elseC．howeverD．and otherwise