是an experience还是a experience

是an experience还是a experience such a good experience & so good an experience都对吗? experience是可数还是不可数 experience是可数还是不可数 （an）unusual experience 而不是a 是a还是an ex是前任还是初恋的意思? Success is not nearly as good a teacher as failure.与Failure is as good an experience as success.的意思是相同还是相反?不说相同..相似就足够了...那.....决不是失败乃成功之母~ 《A bad experience is an experience as well》翻译成中文 He is an ____ tourist and he has a great many interesting.A.experienced;experience B.experience;experience C.experienced;experiencesD.experience ;experienced much experience还是many experience 问一个托福作文题目的意思~a university education should include an internship or some type of work experience.是指的大学是否应该干这些事,还是指的是在internship 和 some type of work experience.选一个?如果说是两 an irritating experience solved in a funny way 1.experience是可数的还是不可数的?如何使用?2.是a English schoolboy还是an English schoolboy?(我认为选an,不知道有English是不是应该用“an?）3.recently,lately,now,up until now,up to now这几个词或词组都表示什 I think if you want to run a business like this,you need an experience这是改错 3.下列文件中,可运行的程序文件是___.(A) EX.P(B)EX.CON(C)EX.PAT (D)EX.EXE 前男友是x-friend还是ex-boyfriend? 车尾是corolla EX~这是卡罗拉还是花冠呢?