They helped me a lot.I don’t know what I _______ without their he_英语解答

They helped me a lot.I don’t know what I _______ without their help.C.would have done
为什么用would have done

人气：192 ℃　时间：2019-10-26 10:09:45

解答

would have done 表示对于过去的某个时间点而言未来能做成某事你前面是helped 表示是过去 have done 就是已经做成某事的意思过去说的所以是would 不是虚拟语气