Mary has lived in Shanghai (for over two years)对括号内提问用how soon还是how long

How long
How soon是提问还有多久那Mary has lived in Shanghai(for over two years) I have been sitting here(all morning) The coat will fit me(before long) 分别用哪个？ 选赏：5Mary has lived in Shanghai(for over two years)How long I have been sitting here(all morning) How long The coat will fit me(before long) How soon一、how soon表示“要过多久以后，要到什么时候”的意思。用来对句中带有in no time， immediately，before long，（very）soon，in five days（weeks，months，years，etc．）， after Monday 二、how often表示“多长时间一次，是否经常”的意义，通常用来对sometimes，usually，never，seldom，often，always，every day，every two weeks等表示频度的副词或词组提问。 三、how long表示“多长时间”的意义，用来对句中带有for，unit（till），since，all the morning，from…to…等表示一段时间的状语提问。对某些动词（take，spend等）后面表示时段的名词提问时也用how long。