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ПОЖАЛУЙСТА, ДАМ 25 БАЛЛОВ!!!​

Ответ:

Объяснение:

1) She thinks Science is worse than Maths

2) Mark is the best singer in our class

3) The most exciting day in the year is birthday

4) Mice and tigers are smaller than elephants

5) Mary is the youngest person in family

6) Dolphins are more intelligent than hippos