Bob knows what he must do to be a good friend of choose and write the sentenses i must take my dog for a walk. l mustn't lake my dog for a walk. l mustn't feed my dog. l must feed

1) my dad plays football every saturday.

2) i'm writing a letter now.

3) my sister has wached tv today.

4) children go to school every day.

their machines work better than his machines. her holiday expenses are larger than my holiday expenses. the parking space in my region is more expensive than in his region.