insert : some, yourself, somebody, himself, nobody, any.
1. He entered the room and lit the fire ____
2. Jane did it himself. ____ helped her.
3. Mother asked: 《 Will you make the cake ____ ? 》
4. You may leave the city ____ time you want.
5. An old man asked the girl 《 give me ____ water to drink, please.》
6. ____ knocked at the door.