I think whoever makes      contributions to the company than the others should get      income.

There is just _______ much competition among countries to host the Olympics as ______ Olympic medals.

If you tend to regularly suffer from a certain symptom like headache, be sure to keep in store the       medicine to take care of the issue as soon as it starts.

It sounds like a good plan, but there are some _____ difficulties in carrying it out.

—— How was your job interview? —— Oh, I couldn’t feel＿＿＿. I hardly found proper answers to most of the questions they asked.