The project alongside with the experiment we had onceThe project _英语解答

The project alongside with the experiment we had once
The project alongside with the experiment we had once devoted so much time ____perfectly
A.to work out B.to working out c.to worked out D.has worked out 为啥选c,请帮忙分析一下句子成分,

人气：462 ℃　时间：2020-01-27 22:52:46

解答

devote sometime to sth花时间在某事上这句话的主干：The project along side with the experiment worked out perfectly.这个项目和实验完美运行.we had once devoted so much time to是定语从句,修饰the experimen...