单项选择 困难0.15 引用2 组卷293
There is a new problem involved in the popularity of private cars ________ road conditions need _______.
| A．that…to be improved | B．which…to be improved |
| C．where…improving | D．when…improving |
23-24九年级下·上海浦东新·阶段练习
类题推荐
There is a new problem involved in the popularity of private cars ________ road conditions need _______.
| A．that…to be improved | B．which…to be improved |
| C．where…improving | D．when…improving |
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