I___him in time,otherwise he would have fallen off the bike

I supported him in time,otherwise he would have fallen off t this time Tom____careful enough,otherwise he would not have He kept his head otherwise the accident would have happen The will save the time that they would have otherwise spent He was busy yesterday,otherwise he would have been to the me 虚拟语气例句对错：The rescue had arrived in time,otherwise they would He kept his head,__ otherwise __ the accident would have hap Jack _can not have arrived_yet,otherwise he would have telep i believe he ____an accident ,otherwise he would have arrive manners have fallen off the radar 怎么翻译比较好? by the time he arrives in tianjing,we would have stayed for 英语翻译He reminded of what I otherwise would have forgotten.