have difficulties （in）doing 和 have difficulty （in）doing 有什么区别?

I have went through many difficulties这句话对么?现在完成时的话是不是应该是i have gone through many difficulties? .have some difficulty or difficulties? I have some difficulties ________ (finish) the work in two days. I have some difficulty in pronouncing some of the words in English.为什么不用difficulties? in the past few years i have many difficulties wile trying to learn english 英语语法 名词 I don't have any ____ with spoken English,but I often meet with ____ in English grammar.A.difficulties...difficultyB.difficulty...difficultiesC.difficulty...difficultyD.difficulties...difficulties为什么答案是BThey stored ___ 5.She has never been afraid of difficulties._______.A.Neither have I been afraid of difficultiesB.Neither am I afraid of difficultiesC.Neither I am afraid of difficultiesD.I have neither been afraid of difficulties为什么 I don't have any____in learning English grammar.but I often make speling mistakes difficulty troubles difficulties problems 用所给单词填空 I have some difficulties （ ）the w用所给单词填空 I have some difficulties （ ）the work in two days.finish为所给单词,在括号后面. later the road no matter how many difficulties,i have to go这句语法有没有错? i want to stay with you orever o matter how many difficulties we have to overcome ~是什么意思 i have no doubt _______he will overcome all his difficulties用when 不用whether,原因?不一定非有or not have some difficulties还是difficulty in have difficulties/difficulty in doing sth? have difficulty doing sth 还是have difficulties dohave difficulty doing sth 还是have difficulties doing sth no matter how many difficulties we have适当形式填空 No matter how many difficulties we have,I believe all problems can_______(solve) in the end.Mobile phones should __________ (keep) off during the meeting. Teenagers under 18 must _____________ I have had some difficulties,but they were nothing compared__yours and I would overcome them soon.A,within B,by C,for D,to have difficulty doing sth可以写成 have difficulties doing sth