题文
China has made a promise________ she will try her best to keep the world peace.
| A．what |
| B．that |
| C．which |
| D．whether |
推荐试卷
China has made a promise________ she will try her best to keep the world peace.
| A．what |
| B．that |
| C．which |
| D．whether |
试题篮
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