一﹒

fool around

= horse around

= goof around

例句-

Stop fooling around and let’s get serious.

別再胡鬧了，我們認真點吧！

二﹒

 By the time等到﹒﹒﹒時

（A）By the time+主詞+過去式動詞，主詞+過去完成式（had+p.p.）

（B）By the time+主詞+現在式動詞，主詞+未來完成式（will have+p.p.）

例句-

By the time he arrived home，his grandmother had been death for five hours.

當他到家時，他的祖母已經氣絕五小時了。

三﹒

  mayor市長

  opponent對手

  ideal理想的

  morality道德

牛刀小試

（ ）1.Abortion is a ____ issue that may never by solved.

（1）ideal

（2）token

（3）moral

（4）price

（ ）2.By the time you arrive，I ________ painting his home.

（1）have finished

（2）will have finished

（3）finished

（4）have been finished

（ ）3.The workers always ____ around when the supervisor（工頭） steps out.

（1）foot

（2）fools

（3）fool

（4）fooled