用have difficulty doing 造句
用have difficulty doing 造句
用have difficulty in doing sth 造句
have difficulty doing sth
have difficulty in doing sth
have some difficulty (in) doing sth.中的 difficulty可数吗
关于have difficulty in doing sth 变形
have difficulties/difficulty in doing sth?
have a difficulty in doing something
have difficulty in doing sth .have trouble in doing sth
是have difficulty doing sth还是have difficult doing sth?
have difficulty什么时候用doing,什么时候用to do?有什么区别?
have difficulty doing sth 还是have difficulties do