Please have a wash_____(1,after 2,while 3,till 4,before) you

when,while ,until,till ,as soon as ,as ,after ,before,引导的时间状 while after before when 剩下的英语空求助,填单词after,while,when,before,as,since,until,till其中的一个 A) before B) while C) as D) after when,while,before,after+________ You have to (are;;be)18 years(after when before by)you are a 一道高中英语问题 Would you please remain for a while?I have a letter Could you please wait for a while Would you please wait for a while? can you all please have a shower before swim in the water _______ you have any problems,please let me know.A.Before B. Are you before you have a rest ?