精选优质文档-倾情为你奉上Unit 3 A healthy life4. Using Language一、用适当的代词填空1The doctor thought _ would be good for you to have a holiday.2The cost of buying a house in Beijing is higher than _ in most of the cities in China.3_ looks as if it is going to rain. Wed better put off our picnic.4The doctor had warned him not to have so much fat, but _ didnt help.5Keep on trying, and youll make _ sooner or later.6My father bought me a gold watch for