Distinguished guests and friends . _____the ceremony of the 50th Anniversary this morning are our alumni (校友) from home and abroad .
Have you seen my iPhone 5? I left it here this morning.— Is it black one? I think I saw it somewhere.
This is the time during days that he has made the same mistakes.
I think this is the most interesting thing _____ has happened to us .
The doctor tells me I should eat ______ meat and take ______ exercise.