Ответ:
1 read 2 visited 3 didn't solve 4 wanted 5 forgot 6 got up 7 didn't bring 8 drove 9 lost 10 lived 11 bought 12 When did Masha go shopping? 13 What time did the shop open? 14 What did Marina wear at the party? 15 Why did Billy stay at home?
Ex1
2)doesn't eat 3)where do your cousins live 4)writes 5)do your parents work 6)what time do you get up 7)I don't go
Ex2
2)they are having 3)why are you laughing 4)is that girl talking 5)vicky isn't studying 6)he is writing
Ex3
2)I am making 3) I am going 4) do you need 5) jen doesn't like
Ex3(2)
1)I don't understand 2)Tim is waiting for 3)he is reading 4)he doesn't know