Помогите сделать #12 и #13

Question

Помогите сделать #12 и #13

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Comments

а где 13 ???

Answer 1

1)You musn't pull the cat's tail.
2)You needn't buy any apples. I bought some yesterday.
3)You needn't do the wasing-up. I did it myself.
4) You must take your medecine or you won't get better.
5)You must be quiet in the library.