1. Negation.
What ONE word completes all these sentences from a text about a missing person?
| There was | ___ | reply. | 
| There was still | ___ | reply. | 
| But there was | ___ | sign of Betty. | 
| There were | ___ | signs of violence. | 
| Since her disappearence | ___ | money has been withdrawn. | 
| There's | ___ | doubt about that. | 
| But there is | ___ | evidence of a crime. | 
| We have | ___ | main lines of inquiry. |