The couple _________ last week, which surprised their friends and relatives greatly because they appeared that happy all the time. 

The children remembered to ______ themselves at first, but things went out of control minutes later.    

It is nice to see millions who had nothing but a record of misery and hungry ______ to improve their life and living conditions．

 Not having promoted the new digital camera successfully, the company should ________ its original marketing methods.

I'm not ____ my best tonight. I'd better not have anything for supper. Perhaps you'd_____me some tea.