have difficulty with sth中difficulty要不要遍复数?
have difficulty with sth中difficulty要不要遍复数?
have difficulty with sth 对么
have difficulty doing sth
have difficulty in sth和have difficulty with sth 一样么?
have difficulty on sth对吗
have difficulty in doing sth
have some difficulty (in) doing sth.中的 difficulty可数吗
have any difficulties with sth对还是have any difficulty with st
关于have difficulty in doing sth 变形
用have difficulty in doing sth 造句
have difficulties/difficulty in doing sth?
have difficulty in doing sth .have trouble in doing sth