下面短文均选择所学英语课文。请根据课文内容在短文的空白处填入恰当的内容，每空不多于3个单词。
（一）
He made people laugh__________ when they felt depressed, so they could feel more_______________their lives.
（二）
For forty years Jane Goodall _________ the rest of the world _________ and _______ the life of these animals.
（三）
It______ a strange name since all crops are organic  _________ they are produced.
（四）
The big companies that own theme parks__________ make a profit not just by the charge for admission，but also by  __________ in their shops and  ________ them on television.