【以下句子有什么短语（或语法）及其用法和中文解释：例如：Shekeptuswaitingforalongtime.(keepsb./sth.doing让某人持续作某事)1.Hecouldn'thelpcryingwhenheheardthesadnews.2.Themorecarefullyyouwork,the】

　　以下句子有什么短语（或语法）及其用法和中文解释：

　　例如：Shekeptuswaitingforalongtime.(keepsb./sth.doing让某人持续作某事)

　　1.Hecouldn'thelpcryingwhenheheardthesadnews.

　　2.Themorecarefullyyouwork,thefewermistakeyouwillmake.

　　3.Afteryouusetheplasticbagsyoumustn'tthrowthemabout.

　　4.Wemustprotectthetreesfromfire.

　　5.Heranoutofgasamilefromhome.

　　6.Ithinkstudentsaresupposedtowearschooluniformsatschool.

　　7.Parentsshouldstoptheirchildrenfromtellinglies.

　　8.Ihappenedtomeetmyaunt.

　　9.Hewastiredofdoingthesameworkeveryday.