根据语境或句意，从方框中选择恰当的短语完成下列各句．
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by accident，on weekends ， thanks to， put off，making a difference ， all of a sudden |
（1）We shouldn't what we have to do today till tomorrow．
（2）Tea， the most popular drink in the world， was invented ．
（3）Nowadays， plenty of women around the world are doing great things and ．
（4）The earthquake happened ， but luckily no one was injured in the village．
（5） the government， many poor families in the countryside are leading a better life．
The true （mean） of Christmas is sharing and giving love to people around us．
Mark is very （help）． He often fixes up people's broken bikes for free．
Nostalgia was （write） by the famous Chinese poet Yu Guangzhong．
If more people give up （drive） cars， the air will get much cleaner．