Question

1. Over the next few days ,         were made,but no one could find a way to resolve the issue looming over the project.

   A. recognitions   B. comments

   C. attempts   D. credits

Answer 1

1. c句意为："接下来的几天，他们作了各种尝试，但是没有人能够找到一个办法解决这个正在笼罩整个项目的问题。"attempt意为"尝试"。符合题意。