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Перевести с утверждения в отрицание или вопросительное) P. S: Past Simple

1) Did he clean the room before school ?

2) The teacher didn't find the misssing exam

3)Did Tom want to go to movies alone?

4)Helena didn't offer Henrique a piece of cake

5)I didn't know what to do

6)Did Alexander help Anita with her homework?

7)You didn't eat cookies after dinner

8)Did you talk to her earlier ?

9)We didn't turn off the tv after news

10)Did he drink only a coke at the party?

11)Mom didn't make breakfast early