题文
It is highly desirable that every effort to reuse the pollution in Beijing.
| A．is made |
| B．was made |
| C．were made |
| D．be made |
推荐试卷
It is highly desirable that every effort to reuse the pollution in Beijing.
| A．is made |
| B．was made |
| C．were made |
| D．be made |
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