be careful while you are crossing the street（同义句） be careful t he street还有两人连忙站起来仔细看那两幅画the two men quickly stood up and the two paintings

Be careful ------you ----the roadA.while,cross B.when ,cross C.while ,across理由 you must be careful You'd better be careful when you walk ( )[cross] the street.Boys and girls,you must be careful while you ( ) [cross] the street. ---(be) more careful while crossing the road 初二首字母填空英语What a t() rain!-Yes,you must be careful while going home. 英语问题Be careful when you go home其中when可以用while吗?理由 While ( ) to the tape,you should be careful.A.listening B.listened C.listen D.listens while you are crossing the street,you must be carefui句型转换___________the street,you must be careful while crossing the street,you should be careful句型转换：while __　＿＿　crossing the steet . Look around while you are crossing the street!You can never be （ ）careful.A.enough B.too C.so D.very选哪个?为啥? You should be more careful next time. You should be ________ careful.怎么填 You should(?)（be）careful.是什么 英语翻译You can't be careful enough. you must be careful改为祈使句 Be careful when you c_______ the street You must always be careful with it . You can never be too careful.翻译