1. Always take courses that (look, looks) difficult. _______________
2. I always avoid a person who (seems, seem) stuck-up. _______________
3. Judy has a grand piano that (costs, cost) $3,000. _______________
4. The apples that (is, are) too big for your mouth are meant to be baked. _______________
5. I can't find the books that (is, are) necessary. _______________
6. My uncles, who (love, loves) to read mystery stories, are both detectives on the police force. _______________
7. Don't chase a stray animal that (appears, appear) frightened. _______________
8. Swimming in polluted water, which (leads, lead) to trouble, is a dumb thing to do. _______________
9. People who (lives, live) in glass houses shouldn't throw stones. _______________
10. The walnuts that (has, have) green spots are poisonous. _______________
11. Dan likes women who (wear, wears) only designer clothes. _______________
12. Refined foods, which (include, includes white sugar and white flour, have few vitamins. _______________
13. My brother likes music that (help, helps) him relax. _______________
14. I don't trust politicians who (promise, promises) to solve all my problems. _______________
15. Onions, which (survives, survive) the frost, may be planted before the snow melts. _______________