4. Complete the sentences with "much" or "many"

19. You cooked too many biscuits. What will we do with them?
20. There aren't many eggs left. We need more.
21. We haven't got much tea and coffee.
22. I think my mom uses too much oil to fry meat.
23. Are there many students in the class?
24. How much bacon do you want in your omelette?