If he_____hard in the past five years,things wouldn't be going so smoothly A.had not been working

If he_____hard in the past five years,things wouldn't be going so smoothly A.had not been working
B.was not working C.has not been working D.were not working
这道题选A,我选了B,为什么选A,选其他的为什么不对呢
英语人气:657 ℃时间:2019-08-21 12:07:39
优质解答
先判断这是虚拟语气.
有过去的时间:过去的五年里.---所以是与过去事实相反的,所以虚拟语气的句式:if 主语+ had 过去分词.主语 +should/would +have+ 过去分词.
我来回答
类似推荐
请使用1024x768 IE6.0或更高版本浏览器浏览本站点,以保证最佳阅读效果。本页提供作业小助手,一起搜作业以及作业好帮手最新版!
版权所有 CopyRight © 2012-2024 作业小助手 All Rights Reserved. 手机版