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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
查看习题详情和答案>>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
查看习题详情和答案>>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
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 |