Помогите с Английским языком 7 класс.

Exercise 1. Comparisons. Образуйте от прилагательных, стоящих в скобках, сравнительную или превосходную степень, в зависимости от смысла.
1. The Trans-Siberian railway is the___________(long) railway in the world.
2. The twenty-second of December is the ______________(short) day of the year.
3. Iron is _______________________(useful) of all metals.
4. The Neva is ___________(wide) and _______ (deep) than the Moskva River.
5. Elbrus is the __________________(high) peak in the Caucasian mountains.
6. His plan is ____________________________(practical) than yours.
7. His plan is _____________________________(practical) of all.
8. This room is ______________________(small) than all the rooms in the house.
9. London is the ____________________(large) city in England.
10. Silver is_____________________ (heavy) than copper.
11. Our house is__________________________ (low) than yours.
12. This exercise is ____________________(good) than the last one.
13. My cigarettes are ______________________(bad) than yours.
14. Yesterday was the__________________ (hot) day we have had this summer.
15. When the war ended, the reconstruction of Moscow was resumed on a _____________(large) scale than before.
16. The Battle of Stalingrad was the ______________(great) battle of all times.

Exercise 2. Comparisons. Заполните пропуски словами as ... as, so ... as.
1. The temperature to-day is ..... high …... it was yesterday.
2. He is not …... old ……... he looks.
3. He is …... strong ………. his brother.
4. This street is ……. wide …….. the next one.
5. The trunk is not …….. heavy …….. I expected it to be.
6. His radio set is not ……. Powerful …….. mine.
7. She is ….... tall ……. her sister.
8. In Moscow it is not ….... hot ……. in Rome.

Exercise 3. Comparisons. Найдите ошибки и исправьте их.

1. I'm cleverest than my brother.
2. New York is moderner than London.
3. Mary is pleasanter than Jannet.
4. Jannet is politer than Mary.
5. They are busyer than we are.
6. My sentence is correcter than yours.
7. This exercise is more easy than that one.
8. You must be more carefuller.
9. I was most surprised than he was.
10. This machine is the simplest than the others.