Many people think they have to spend a lot of money to keep healthy. Leading a healthy lifestyle doesn't have to cost much,         . 

—You don’t seem to be quite yourself today,Jim?—I’m suffering from a cold.Nothing serious,__________.

At first the institute refused to purchase(购买)  the  experiment  instrument,  but  this decision was ______ changed.

It is generally considered that football is _______ than any other match.

—On Sundays I prefer shutting myself in and listening to music all day on Sundays.—That’s      I don’t agree. You should have a more active life.