________ hard you try,it is difficult to lose weight without cutting down the amount you eat.(2012·湖南)
A piece of ______ music will make you happy.
Greatly ______, the students made up their minds to work at English even harder.
——Thank you for your help. ——________.
______ with extraordinary strength, the sportsman raised the huge box onto his shoulders.
——Do you mind my taking this seat? ——________.