They sold ______ boxes of such sweets last week.
All the people in the nation can remember exactly how many years ago _______ the civil war broke out.
_______ restoration of ancient architecture, the Chinese government has invested a large sum of money on it.
I think this is the very work that we must finish ____ her.
The work he devoted his time to _____ worth praising.
The little girl who got lost decided to remain _________she was and wait tor her mother.