翻譯試題：87-91題：AB通用 ：
　　1.Soon after he transferred to the new school,Ali found that he had ___very difficult to keep up with the class of students(很難跟上班里的同學(xué))in math and english.
　　2.if she had returned an hour earlier, mary __will not be a big rain_(就不會(huì)被大雨淋了)。
　　3.更有可能增加體重 may increase the weight
　　4.很多人所沒有意識(shí)到的 which people have not realised
　　5.與缺乏鍛煉密切相關(guān) related to the lack of exercose