1) What do people mean when they say" feed a cold, starve a fever"?<br/><br/>2) What is a boarding school?<br/><br/>3) Instead of saying twice, can we say: two times?<br/><br/>ex: I go swimming twice a month<br/><br/>I go swimming two times a month<br/><br/>are they acceptable?<br/><br/>4) What is the difference between" <b>the kiss of life</b>" and <b>artificial respiration?</b>