have difficulty还是difficultyies (in)doing sth?
问题描述:
have difficulty还是difficultyies (in)doing sth?
老师讲师可数,补习书上特意讲的是不可数 到底可不可数啊
统一一下啊、
答
difficulty本身是可数名词.
但在have difficulty(in)doing这个句式中一般是用单数的.