People are advised not to drive after drinking, but __ seems not to help a lot.

We can't avoid negative thoughts，but we should make it a habit to replace each negative thought with a positive________．

Believe it or not, no bread eaten by us is so sweet as ___________ earned by our own labour. 

 Both teams were in hard training;         was to lose the game. 

“I have to go,” she said, and with ______ she hung up the phone.