Here is the solution to the exercises in the image:
EX4: Fill in the blanks with "How much/How many."
1. How many days off do you have in a week?
2. How many dishes can she cook?
3. How much apple juice is there in the fridge?
4. How many kilos of rice do they want?
5. How many days are there in a year?
6. How much milk does your son drink every day?
7. How much is this dictionary?
8. How many languages can your sister speak?
9. How many eggs do you need?
10. How many bottles of cooking oil do you want?
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VII: Fill in the blanks with IN / ON / AT (EX1).
1. in the afternoon
2. at Christmas
3. on Tuesday morning
4. at the moment
5. in April
6. in spring
7. on Sunday
8. in 1991
9. on the left
10. on the table
11. at 24 Le Loi Street
12. at work
13. in the city
14. in Vietnam