have difficulty doing sth 还是have difficulties do
have difficulty doing sth 还是have difficulties do
have difficulties/difficulty in doing sth?
是have difficulty doing sth还是have difficult doing sth?
have difficulty doing sth
have difficulty doing sth 为什么不用 to do sth?
have difficulty in doing sth
have any difficulties with sth对还是have any difficulty with st
have some difficulties还是difficulty in
have difficulty还是difficultyies (in)doing sth?
have somebody do sth 还是doing sth?
have difficulty in doing sth .have trouble in doing sth
has difficulty doing sth还是has difficulty to do sth