题文
I happened in the park a storm happened.
| A．to be; when |
| B．being; when |
| C．to be; while |
| D．being; while |
推荐试卷
I happened in the park a storm happened.
| A．to be; when |
| B．being; when |
| C．to be; while |
| D．being; while |
试题篮
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