9) Write at, on or in. Peter likes spending time with his family 1) ...at ... the weekend2)Saturday mornings, Peter and his sister go far a walk with their dog. 3.. theafternoons, the family usually go to the cinema. Then 4)about 8 o clock they go to arestaurant for dinner.5)Sundays, they get up late. They sometimes go for a drive in the countryside or visit theirgrandparents. 6)... the evenings, they all watch TV and then they go to bed.Weekends are really special for Peter and his family.​

1) at - We use "at" before the word "weekend" to indicate a specific point in time when Peter likes spending time with his family.

2) on - We use "on" before the specific days of the week, such as "Saturday mornings," to indicate the day when Peter and his sister go for a walk with their dog.

3) In - We use "in" before the word "afternoons" to indicate a period of time during which the family usually goes to the cinema.

4) at - We use "at" before the specific time, such as "about 8 o'clock," to indicate the time when they go to a restaurant for dinner.

5) On - We use "on" before the specific day of the week, such as "Sundays," to indicate the day when they get up late.

6) In - We use "in" before the word "evenings" to indicate a period of time during which they all watch TV and then go to bed.

Overall, we use "at" to indicate a specific point in time, "on" to indicate a specific day of the week, and "in" to indicate a period of time.