问题描述：
. Man must produce more grain to support the _____ growing population on earth.
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考点提示：副词,副词的比较级,疑问副词,连接副词
最佳答案： | C |
| 略 |
. Man must produce more grain to support the _____ growing population on earth.A．alreadyB．justC．ever
. Man must produce more grain to support the _____ growing population on earth.A．alreadyB．justC．ever
最佳答案： 