his idea would have （ ）.填worked 还是happened?

his idea would have （ ）.填worked 还是happened? ——we play football now?Good idea应该填shall还是would would have happened 和 would happen有什么区 would you have( )some orange juice?填some 还是any I have no idea _____ he is .填whom还是 who I have no idea( )he will win.是填whether还是that?如果改成I have some if i had worked hard,i would have succeed 16.________,the accident would not have happened. I don't know if his idea _____（有效） 这个空填什么 have no idea+of还是+about I have no idea 还是 ideas i wish i ----(have)the chance again.填had 还是would have