5. Despite ________ additional supplies for the building site, the construction was still behind schedule.

(A) has received (B) was receiving  (C) will receive (D) having received

--> 답이 D 인데요, having 으로 분사구문이 될 때 종속절의 주어와 전치사가 생략되지 않나요? 어떻게 despite 가 남아있죠..?

8. Because of exceptional _____ , the engineering firm completed the office tower eariler than expected.

(A) planning (B) planner (C) planned (D) plan

---> 제가 답을 D로 했다가 틀렸었는데요, plan 도 명사인데 왜 A가 답이죠? plan 이 가산명사로 쓰여서 그런가요?

18. The visiting clients will be taken on a _______ tour of the corporate headquarters.

(A) guide (B) guides (C) guided (D) guiding

--> 저 답 A 했는데, 이건 왜 답이 C 죠??@!@

부탁드릴게욤~~!!ㅎㅎ