토익문제해석풀이부탁좀드립니다.ㅜㅜㅜㅜ 답지가 없어서 혼자하기 너무 어려워요, 도와주세요.....

Here is the report you ____ on my progress withthe research project that you assigned to me about what restaurants college students prefer.
(a) are requedsted
(b) have been requested
(c) will be requested
(d) requested

First i pur together a survey to distribute. A set of restaurants were chossen to be included, and most of them were local, though I decided to include a few chains as well. Next, to find a sample, I ____ the survey to students at two of the colleges in the area.
(a) distributed
(b) completed
(c) investigated
(d) wrote

After _____ the completed surveys, I compiled the results.
(a) collection
(b) collects
(c) collecting
(d) collected