When was it you met him in the library?
All the guests at the party were dancing and singing happily _____ the electricity was cut off.
The government is trying hard to give the people easy _____ to hospitals.
The ___ look on his face suggested that he ____ so.
--His mother dances well.-- So _____ and so _____.
_____ makes the school famous is _____ more than 90% of the students have been admitted to universities.