新概念英语第二册的语法题!!!1

来源:百度知道 编辑:UC知道 时间:2024/09/22 14:29:00
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???

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