题目内容
7. In the end,the project turned out to be a failure. All our efforts were .
A. in effect B. in vain C. in time D. in store
7. B句意为:"我们的项目最后失败了,我们所有的努力都白费了。"in vain意为"徒劳的,白费力的",符合句意。
练习册系列答案
相关题目
题目内容
7. In the end,the project turned out to be a failure. All our efforts were .
A. in effect B. in vain C. in time D. in store
7. B句意为:"我们的项目最后失败了,我们所有的努力都白费了。"in vain意为"徒劳的,白费力的",符合句意。