it is ___ tospend money on preventing illness by promoting healthy living r

第一空填better，第二空也填better．第二空的答案怎样理解？生病了之后应当是好起来呀。
It is ___ to spend money on preventing illnesses by promoting healthy living rather than spending it trying to make people ____ after they are ill.

Who first ___ America?---It is Columbus It is ___ sb to do sth. It is ___ than mine,which is rather slow. It is quite difficult ____ him ___ good English. Is it time ___ home ? Here's a card___Zhangbing. 86. the days are short, ___ it is now December. I can not sleep because it is ___ . It is the third time you ___ for scool you ___ play with fire, it is dangerous 选择题:It is belived if a book is ___,it will surely_____ the reader.