have difficulties/difficulty in doing sth?
have difficulties/difficulty in doing sth?
have difficulty in doing sth
have difficulty doing sth 还是have difficulties do
have difficulty in doing sth .have trouble in doing sth
关于have difficulty in doing sth 变形
用have difficulty in doing sth 造句
have difficulty doing sth
have some difficulty (in) doing sth.中的 difficulty可数吗
have difficulty还是difficultyies (in)doing sth?
have some difficulties还是difficulty in
是have difficulty doing sth还是have difficult doing sth?
have difficulty (in) doing sth.请列举几个具有类似结构的词组.(关于have)