The sick salesman was happy to stay at home because doing _____ was a thorough rest for him.
The situation put us at a serious________,which made us very worried.
I think he’s determined that he won’t give in—you may try your luck and see if you can persuade that old________fellow.
We’d better discuss everything________before we work out the plan.
In order to protect the environment,people are greatly encouraged to travel by public________.
A smile________the mother’s face when the son walked onto the platform to receive the prize.