题文
The government is trying to ______ pollution to an even lower level so that we can have a better environment.
| A．reduce |
| B．remove |
| C．collect |
| D．warn |
推荐试卷
The government is trying to ______ pollution to an even lower level so that we can have a better environment.
| A．reduce |
| B．remove |
| C．collect |
| D．warn |
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