根据句意完成已给出首字母或汉语提示的单词，使补全后的句子意义通顺，语法正确。

1．They are getting along well．They often help e       other．

2．Smoking is not a       in public places．

3．T       to Edison's invention, people now have electricity to use．

4．My f       sport is football．I like it best of all．

5．As the famous saying, it's better to give than to r       ．

6．The        (人口) of China is not increasing so fast as before．

7．The girls want to become        doctors (女医生) when they grow up．

8．This is the        (第五) accident that has taken place this month．

9．The sailing competition is to be held in        (九月) in Qingdao．

10．Everyone knows that plants can't live        (没有) water．