have some difficulty 是用单数还是用复数

.have some difficulty or difficulties? have some difficulty (in) doing sth.中的 difficulty可数吗 have some difficulties还是difficulty in 是have little difficulty?还是have some difficulty?为什么？有什么区别？ when people have difficulty ------ some decisions ,red can help we will have some difficulty in our ______(study) have some difficulty 是用单数还是用复数 difficulty可数吗?difference可数 difficulty可数与不可数都行 另外,“have some difficulty” 表示“有某种困难”,“have some difficulties ”表示“有一些困难”,意思不同的!对吗? I have some difficulty in pronouncing some of the words in English.为什么不用difficulties? 请问做某事有困难的短语是：have some difficulty in doing sth.中的difficulty能不能用difficulties difficulty可数吗高中改错题：I have some difficulty with the use of the language.difficulty是可数的,但为什么不把它改成复数? have difficulty 后跟什么? have difficulty gainning have difficulty in I have some problems/difficulty/trouble to work out the problem.(改错） I have no difficulty ___ writing but I have some difficulty ___ pronunciationA in;inB with;onC in;withD with;in have difficulties with和have difficulty with2者是相同的吗?为什么i have some difficulty (in) solving this problem这里不用复数?some翻译为某一吗? some of my students say they have difficulty …some of my students say they have difficulty _____ grammar while others have trouble ______new wordsA in; to remember B with ； to remember C in ；remembering D with ;remembering