11. One kilometre. After that, you'll be going out.
12. He thought two heads(Ed's) were better than one.
13. She weighs sweets.
14. It was a bright, sunny day.
15. It was his spare tyre.
16. Monosyllable. Take away MO and leave NO SYLLABLE.
17. The cabbage was ahead, the tap was running, and the tomato tried to ketchup.
18. The lorry-driver was walking.
19. Yet.
20. Meat.