Ex 3:

carton/ bags/ some/ tins/ any/ any/ kilo/ bottles/ cartons/ some

Ex 4:

1. Incorrect (some => any)

2. correct

3. Incorrect (any => some)

4. Incorrect (much => many)

5. Incorrect (rices => rice)

6. Incorrect (many => much)

7. Correct

8. Correct.

Ex 5:

1. How many students are there in the library?

2. How much did you save last year?

3. How many eggs do you need to make a birthday cake?

4. How many cups of coffee do you drink a day?

5. How many spoons of sugar should I add into the glass?

6. How many gold medals did she won in her Olympic career?