23.Since she ______ (miss) the last train,she had to walk home.

问题描述:

23.Since she ______ (miss) the last train,she had to walk home.
24.______ (miss) the last train,she had to walk home.
25.They stood on the playground,and ______ (watch) a football match.
26.They stood on the playground,______ (watch) a football match.

had missed
Having missed
watched
watching