81.作为同…的交换 82.徒劳 83.是…的典型;是…的特点 84.翻身;翻过书页;移交 85.把…收起;放好 86.对…感到厌倦 87.不可能 88.遗漏,不包括 89.使…吃惊;突袭 90.关于;至于
答案:81.作为同…的交换 in exchange for 82.徒劳 in vain 83.是…的典型;是。。的特点 be typical of 84.翻身;翻过书页;移交turn over 85.把..收起;放好 put away 86.对…感到厌倦be fed up with be/get tired of be bored with 87.不可能 not likely out of the question 88.遗漏,不包括leave out 89.使…吃惊;突袭 take …by surprise 90.关于;至于with regard to