every one must know the ____of study(improtant)

every one must know the ____of study(improtant) Every one must know the traffic rules.改错 she must eat one every every one must carry his own cross翻译 to know happess one must first experience sadness Every boy has to take one.每个男孩必须取一个可以换成这样吗 every boy must takes one 单项选择； Every one of us must know:( )we live can we save the earth.A.by changing the way only B.only by changing the wayC.by only changing the way D.by changing only the way Every one of us must know：________we live can we save the earth.A.by changing the way only B.only by changing the way C.by only changing the way D.by changing only the way I know ___ teacher.A.each B.every C.everyone D.every one 语法说明 every one 用same.every.country.right.side.if.left.must.know 各造2个句子 of us must do morning exercise every day.A.every B.everyone C.every one D.no one前面有条横线。填选项 Every student must finish ----homework in class?A:one'sB:his C:theirD:her Every student must finish ----homework in class?A:one's B:hisC:theirD:her We know work must come______(one)用所给词适当形式填空 Though____winter has come,my father keeps having a cold bath every day throughout ___ witer.A./,/ B.the,the C./,the D.the,/I don't know which of the two countries began the war.It must have been _____ or______.A.one,another B.this,other C.one,the oth Do you two know each other?的意思Every one calls me Mike. I'm so sorry!I think you must need to know that every thing is changeable.Nothing can keep still.