the cause ___he failed the driving test is what i thought before.用why 还是that

the cause ___he failed the driving test is what i thought before.用why 还是that Some investigations show that the cause of the accident may be the car engine's__.a.fail to operateb.failure to operatec.fail in operation选哪个?为什么? 英语翻译The probability that we may fail in the struggle ought not to deter us from the support of a cause we believe to be just. Some investigations show that the cause of the accident may be the car engine's__.a.fail to operate b.failure to operate c.fail in operation 答案说选b,WHY? fail-safe the service 英语翻译the heavy loads and high speed of today's trains can cause rails to fail in service unless regular inspections are performed 是fail in the match 还是fail the match 是fail the test 还是fail in the test? 怎样用fail the test造句 cause of the in the cause the cause of public the cause was lost Fail fail a test 和fail the test的区别 never fail to seize the day中fail是什么意思 You will fail the test 中的 fail 是形容词吗? That is the story ___he won the gold medal