题目内容
24.Last Monday,while the students on the playground watching the national flag
being raised,something unexpected .
| A.were standing;arose | B.stood;was arising |
| C.had stood;had arisen | D.would stand;would arise |
A
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题目内容
| A.were standing;arose | B.stood;was arising |
| C.had stood;had arisen | D.would stand;would arise |