【题目】(bury) in books, Tom didn't notice my coming into his study.
在线课程【答案】Buried
【解析】句意：汤姆埋头读书，所以没有注意到我进入他的书房。根据句意可知这是一个省略句，还原为： Because he was buried in books, Tom didn't notice my coming into his study。因为主从句的主语一致，可省略从句的主语he，而主语Tom与bury是被动关系，bury sb in (doing) sth.因此要用被动，故用Buried.