when 副词 1.(用作疑问副词)什么时候,何时 I'd like to know when they'll let him out. 我想知道他们什么时候放他. When did you last see Margaret? 你上一次见到玛格丽特是什么时候? 2.(用作关系副词,引导关系从句)当...时 There were times when I didn't know what to do. 有些时候我不知道该怎么办才好. how soon 时间/期间〕多快 eg.How soon will you finish your homework In about an hour.
