다음 글의 흐름으로 보아, 어법상 적절하지 않은 문장은?
① father and manuel set out toward lamesa which was forty miles away. ② if they rode without stopping, father would be able to catch a train that would leave at three in the afternoon. ③ there was also a telephone in lamesa, so father could telephone chicago. ④he began to feel much tired and his body ached. ⑤his eye burned with acute pain and his whole head throbbed.

여기에서 답은 4번이라고 합니다 어디가 틀린건지 이유는 뭔지 설명 부탁드려요밑줄 친 부분 중 어색한 부분이 있는지를 찾아보고, 있다면 그 부분은?
we cannot read (a) a good and interesting book for an hour (b) without being better and happier for it. (c) nor is the benefit momentary, for the memory remains with us, and stores of bright and happy thoughts (d) maybe be called up whenever we wish.

여기에서 답은 (a)번이라고 합니다 어디가 틀린건지 이유는 뭔지 설명 부탁드려요