turning 60, the actress thought it was time her to quit the stage.

her을 빼야할 것 같은데요.. 이유는 잘 모르겠습니다ㅠㅠ 목적격관대가 생략되어있는데 목적어를 써서..?

forhim getting late to work every singleday cost him his job.

cost → costs

listening to allthesuggestions made by board members, he could hardly find one suggestion for him toagree.

suggestions → suggestion

제안은 생물이 아니니까 all the 단수명사라서?

the procedure involves screening out ineligible candidates thatlack good credentials, and thentointerview the rest of them toeliminate applicants without proper leadership requiredfor the position.

screening 이랑 병렬이라고 생각해서 interview를 고쳤습니다. /span. 답이 한개 이상인 문제도 있다고 하니까 또 제가 놓친게 있는지도 봐주시면 감사하겠습니다ㅠㅠ