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 |
推荐套卷
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 |