Often their impact on students stays all through their livesimpact 是动词还是名词?为啥stay还要加s啊?Often their impact on students stays all through their lives那么on是什么词性呢?为啥跟在impact后面呢?

Often their impact on students stays all through their livesimpact 是动词还是名词?为啥stay还要加s啊?Often their impact on students stays all through their lives那么on是什么词性呢?为啥跟在impact后面呢? At this point in human history,the environment had a greater impact on early human lives than their impact on it.their impact on it：there 和 it 分别指什么?这句怎么理解? they often their honework on their computers 改为否定句 she often helps tourists find their She often helps people find their w_____. the students often( )letters to their parents i often have dinner with _____.(their) He often works t_______ 12o'clock.还有：Thank you for j______ us in the party.What did these people t_____ of their vacation?还有的呢 parents should learn to keep their children most often using their mind.most often是什么意思 some stndents often worry about their lessons.some stndents( )often( )( )their lessons.(同意句转换 句意填词 My classmates often have their lunch at twelve o,clock at _. _ is the fourth month ...句意填词My classmates often have their lunch at twelve o,clock at _._ is the fourth month in a year.The _in summer is changeable,you,d better take impact是什么意思? impact 是什么意思 ? impact test impact是什么意思 severlty / impact impact是什么意思 my mother often remingd me that thing ___never come againmy mother often remingd me that thing ___never come again. A lose B to lost C lost D losing the old couple lives o n their own and seldom____in touch with their childrenA they