____on the project for 10 years ,he still felt it hard to make any achievementsa.he worksb.having worked c.he having workedd.working正确的选什么?并一个个解释一下为什么其他3个不行,都错在了那里?

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/25 03:02:10
____ontheprojectfor10years,hestillfeltithardtomakeanyachievementsa.heworksb.havingworkedc.hehavingwo

____on the project for 10 years ,he still felt it hard to make any achievementsa.he worksb.having worked c.he having workedd.working正确的选什么?并一个个解释一下为什么其他3个不行,都错在了那里?
____on the project for 10 years ,he still felt it hard to make any achievements
a.he works
b.having worked
c.he having worked
d.working
正确的选什么?并一个个解释一下为什么其他3个不行,都错在了那里?

____on the project for 10 years ,he still felt it hard to make any achievementsa.he worksb.having worked c.he having workedd.working正确的选什么?并一个个解释一下为什么其他3个不行,都错在了那里?
B
主句和从句主语一致 省略其中一个主语!动词加ing .---主语一致的语法点
have done 表示完成语气用在此处比较合适

B.十年了,用完成时,主句发出动作为主动用ing开头。