fail和fail in 有什么区别?

fail和fail in 有什么区别? fail sth.和fail in sth.有什么区别? fail 和fail in的用法区别和意思 fail to do与fail (in) sth有什么区别啊 fail to do和 fail doing有区别没? fail in the exam fail the exam区别还有believe in 和 believe区别. fail to do sth和fail in doing sth的区别 Fail fail a test 和fail the test的区别 Fail in plan, is planning to fail什么意思? fail和decline都有衰退的意思 两者有什么区别? fail都有什么意思 He was mad at（ ）in the English exam. A.fail B.dropping C.failing D.lose B和C有什么区别吗? feel和fail怎样区别读音? almost everyone fails ...the driving test on the first tryfail in doing / fail to do有什么区别 miss doing和fail to do两者不都是 “没能做成某事”吗 有什么区别 fail 与fail in的用法是一样吗那请问fail和fail in的不同之处和它们的意思 fail in的近义词