Laughter is beneficial to health and perhaps this e________ the long lives of some famous comedians such as Bob Hope and George Burns.
You always hear about planes being delayed because of t__________ problems.
China has always been trying to s__________ its economic ties with European countries.
The twins are so alike that I can hardly tell them a________.
At the meeting, he expressed his a__________ for the kindness we had done for his team.
The s________ of innocent people caused by the war cannot be compensated for by money.
When you laugh, the muscles p_________ in the laugh become active, which is like a deep-breathing exercise.
Although it happened many years ago, it still remains in the d_________ of my soul.
He is such a c_______ boys, always asking questions about the world around him.
More than half the staff are t________--they will quit when the harvest season ends.