to master some knowledge of first aid is(of/for/with/to)great importance in our daily life.

to master some knowledge of first aid is(of/for/with/to)great importance in our daily life. The doctor gave him some medicine to abate the pain. He has a bad abscess under that tooth. Is the child abnormal in any way? Acne is very common among teenagers. You must have an acoustic problem. He devotes his time to the acquisition of knowl master master Master how to master Chinese in middle school?he do poorly in Chinese in middle schoolalthough he does good at other subjectssuch as English and math.could youtell some shortcut to master Chinesein middle school? yes、so want to master to satisfy it is over duty to master it 初三英语试题1 could you give us some advice on ( ) some computer skills A how to master b what to master 2 I( ) notice it A haven't B didn't 3 I （have borrowed） you recorder 还是（have lent） 还是（have kept）呢?求回答,快GO he found it important to master English其中it 和to master English做什么成分? he found it important to master English,中的《it》 和《to master Englishi》 是什么成分? To work or to learn More作文 要求：1.some begin to work after graduating from college,because.2.others further their study as a master 's candidate,becase...3.I would like to...,the reason is... Anything that you find out about the prospective employer can be used to your advantage during theinterview to show that you have botherd to master some facts about the people who you hope to work for 专业点啊 anything that you find out about the prospective employer can be used to your advantage during theinterview to show that you have bothered to master some facts about the people who you hope to work for求翻译 to master how to give advice什么意思, Prior research suggests that search processes that lead to the creation of new knowl- edge,embodiedPrior research suggests that search processes that lead to the creation of new knowledge,embodied in artifacts such as patents and new products,most of 改错 If you keep on practicing,you will master your English in the end.master your English 中的 your 去掉,为什么try to make English learn as fun as possibly这句话里有两处错误，求为什么I also suggest reading some English languag 一段英文翻译成中文:Some students will first have to spend two years working on a master's degree or diploma.Some will receive a stipend ；others will pay their own way.Some PhDs involve only research,some require classes and examinations an