how _ will you be able to finish the painting.

问题描述:

how _ will you be able to finish the painting.
A.soon B.often C.long D.fast

how long问的是一段时间how soon 问的是多久之后,问频率是【how often】例如How long have you studied English?For ten yearsHow soon will you leave Beijing?In two days how long用来提问“多长时间”,对“一段...