after, for, down, forward, back, at, up, to, on, into
1. I have lost my key somewhere. Can you help me look _for__ it?
2. I hate people who look __down__ on others just because of money.
3. I am looking _forward__ to seeing your holiday pictures!
4. The police are looking __into__ a strange bank robbery.
5. Why are you looking __at__ me in such a way?