英语：用适当的关系代词或副词填空

英语：用适当的关系代词或副词填空
1.He asked me a question ? was about my study at school.
2.There seems to be nothing ? seems impossible for him in the world.
3.Who ' s the man ? is talking with your father?
4.That is the man about ? we were talking.
5.They know the hours ? restaurants put their leftovers in the garbage cans ? they search for food.
6.The glasses without ? my father couldn ' t see well dropped to the ground and broke.
7.The boss in ? department Mr King worked had heard about the accident.
8.He didn ' t tell me the reason ? he was so upset.
9.When she was alone at home, Mary needed a friend with ? to play.
10.The two things about ? he was not sure were the grammar and some of the idioms of English.