2. What the thing you push around the grocery store is called.
3. A metal container to carry a meal in.
4. The thing that you cook bacon and eggs in.
5. The piece of furniture that seats three people.
6. The device on the outside of the house that carries rain off the roof.
7. The covered area outside a house where people sit in the evening.
8. Carbonated, sweetened, non-alcoholic beverages.
9. A flat, round breakfast food served with syrup.
10. A long sandwich designed to be a whole meal in itself.
11. The piece of clothing worn by men at the beach?
12. Shoes worn for sports.
13. Putting a room in order.
14. A flying insect that glows in the dark.
15. The little insect that curls up into a ball.
16. The children's playground equipment where one kid sits on one side and goes up while the other sits on the other side and goes down.
17. How do you eat your pizza?
18. What's it called when private citizens put up signs and sell their used stuff?
19. What's the evening meal?
20. The thing under a house where the furnace and perhaps a rec room are?
21. What do you call the thing that you can get water out of to drink in public places?
And my answers:
2. Shopping trolley.
4. Frying pan.
6. Gutter or drainpipe, depending on what bit they mean.
7. Does not exist in my culture. If it did, I'd probably call it a veranda.
8. There is no term that includes all such drinks and excludes all other drinks. There used to be one, which was pop, but it's dropped out of use.
9. No such thing. However, pancakes are a flat round dessert served with a variety of sweet substances.
10. Sandwich. All more specific terms are American imports.
11. Swimming trunks or shorts, depending on whether we're talking about swimming trunks or shorts.
12. Trainers, plimsolls, football boots, rugby boots, cricket boots, tennis shoes, etc.
13. Tidying up.
15. Woodlouse, but it's not an insect.
17. Knife and fork, generally.
18. eBay. Apart from that, it's an American concept, so there's no term for it in English.
20. Basement. But it contains neither a furnace nor a rec room.
21. Drinking fountain.
This survey will distinguish between different national varieties of English, and probably between different regions in the US, but is going to be hopeless for regional variations in the UK.