82.已经把那片荒地变成了肥沃的农田have turned that barren land into the fertile farmland
本题知识点考查：固定短语turn sth into sth的应用。
83我几乎认不出她来 hardly could I have recognized her
本题知识点考查：否定副词引起的部分倒装;与过去事实相反的虚拟语气。
84. 使法官确信我们是清白的convinced the judge of our innocence
本题知识点考查：固定搭配convince sb of sth的应用。
85.你可以放心You can rest assured that 或者You can assure that
本题知识点考查：assure后接that从句。
86.试图征服它是不明智的it is not wise to try to conquer it
本题知识点考查：并列句的连接与形式主语。