* 출처 : https://www.youtube.com/watch?v=2k_BOpZcxRM
라울선생님의 토익점수의 제곱상승 토익 어휘 실전 (Vol.7)
91.토익 어휘 실전 문제 46회
452. In view of the current constructing situation, the entire renovation
of the new bridge can be completed _______ , no later than the end of the year.
(A) on time
(B) on times
(C) on the time
(D) at times