1. Thanks to our f schedule, we got our task accomplished ahead of time.
2. Dogs have an a sense of smell, so they can help find the wanted.
3. Wearing seat belts in cars is c by law and anyone who breaks it would be punished.
4. He made a 保守的) guess at the population of London.(
5. Don’t you know the small river is the 边界) between the two villages?(