Помогите по английскому ex 9

1 If Mark repairs the boat, we will go fishing.
2 When you come home, I will you read the letter.
3 When I grow up , I will become an astronaut.
4 If she calls me, I will tell her the news.
5 If he doesn't cook dinner, we will order a pizza.
6 When Barbara opens the door, we will sing Happy Birthday.