1. i admit that i feel that being at the right place at the right time ① is better than being the smartest person. however, i must add that most people show up at the right place at the right time not by luck ② but by design. they get ③ what appears to be big luck, but in reality they worked hard to get to ④ where the big luck comes. successful people work for their luck. success is determined more by effort and work ⑤ than of luck. luck is the direct result of consistent, organized, enthusiastic effort.

2. some shopping centers have supermarkets ① that sell food. some have drugstores that sell medicine and ② hundreds of other things. the other stores in a shopping center usually each ③ sells only one kind of thing - books, shoes, music cassettes and cds, computers, or ④ almost anything else you can imagine. a shopping center often has several fastfood restaurants and larger restaurants ⑤ that serve snacks, lunch, and dinner.

3. fix windows that ①are hard to open, and any that may be needed for escape purposes ② should not be blocked with heavy furniture or flower boxes and ③ has stacked materials on the sills. fire services in the region stress the importance ④ of striking a balance between security and safety. if you need the protection of burglar bars, fit the type ⑤ that can be removed quickly from the inside.
선생님들, 다음 세 개의 각각의 문제중에서 글의 흐름을 파악하며어법상 어색한 것을 설명해주셔요.
아리송~하네요..ㅠㅠ