新概念英语第二册的语法题!1If he had worked harder,he().A.would succeedB.had succeededC.should succeedD.would have succeeded请问为啥选D呢?为啥不选A呢?

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新概念英语第二册的语法题!1Ifhehadworkedharder,he().A.wouldsucceedB.hadsucceededC.shouldsucceedD.wouldhavesucceed

新概念英语第二册的语法题!1If he had worked harder,he().A.would succeedB.had succeededC.should succeedD.would have succeeded请问为啥选D呢?为啥不选A呢?
新概念英语第二册的语法题!1
If he had worked harder,he().
A.would succeed
B.had succeeded
C.should succeed
D.would have succeeded
请问为啥选D呢?为啥不选A呢?

新概念英语第二册的语法题!1If he had worked harder,he().A.would succeedB.had succeededC.should succeedD.would have succeeded请问为啥选D呢?为啥不选A呢?
虚拟语气的固定用法啊,明显你这块还不够扎实.
if + had +done,主句 would have done...

已经成功嘛,所以用would have done
would do表示现在和将来
这里显然是说他已经成功了,如果他工作再努力些