阅读下列每个句子，根据空白处的汉语提示填入适当词汇。每空仅限一词。
小题1:She’s become the (嫉妒的对象) of the whole class.
小题2:What (百分比) of your income is taxable?
小题3:They asked him to be (仁慈) to the prisoners.
小题4:I _________(犹豫)about whether to accept the invitation when I was asked to the party.
小题5:In order to kill time, the boy took a book from the shelf at (任意).
小题6:Sorry to (打断) you. Can you tell me the time?
小题7:You should (道歉) to the boss for delaying the work.
小题8:Many college students worked as (志愿者) in the 2008 Olympic Games.
小题9:The moon (反射) the sun’s rays.
小题10:Only a few people have (进入、有权接触) to the full facts of the case.