3. The prices of MP3 players (have, has) come down a great deal in recent years. 4. Some of the inexpensive models (are, is) sold at grocery or toy stores.
5. Almost nobody in my family (uses, use) cassette players anymore.
6. My player, for instance (stores, store) all the soundtracks of my favorite movies.
7. My friends Ethan and Adina (like, likes) to download and watch movies on the weekend.
8. I think the screen is too small to watch movies, but neither Ethan nor Adina (agrees, agree).
10. Both my mother and father (thinks, think) she is old enough to have one.
11. My sister, unlike her friends, (enjoy, enjoys) country music
12. All of Theo's friends (listens, listen) to hip-hop music when they are riding on the bus.
13. There (are, is) always a new brand of MP3 players on sale
14. I shouldn't be surprised that each of the brands (has, have) more features than the last.
15. My father (has, have) asked me to teach him how to use new technologh.