2. complete the sentence using the right preposition. 1. don’t waste your money, save it (for/on) a house, put it in the bank. 2. any witnesses (to/of) the incident are asked to contact to police. 3. the fireman came (to/at) these people’s rescue. 4. if you hurt my mom, i’ll take revenge (to/on) you. 5. i’m (at/in) no condition to walk that fast.