Помогите с заданиями, пожалуйста
I) Fill in: repair, switch, waste, paper, glass, packed, extinction, campaign, compost, endangered.
1.One man`s … is another man`s treasure.
2. You must … off the light when leave an empty room.
3. We have to protect rare animals from … .
4. Try to … your gadget before you buy a new one.
5. … is made of wood. Save the trees!
6. …can be recycled.
7. My teacher has started a recycling… at school.
8. Make a … heap in the garden.
9. Dolphins are … nowadays.
10.Prepare … lunch in a reusable lunchbox.
II) Fill in: could, have to, ought to, must, shouldn`t, don`t have to.
1. You … prepare your project works to the next lesson.
2. I can`t go out because I … finish writing my letter.
3. My friend … speak German from his childhood.
4. You… read this book . It`s for older people.
5. It`s Sunday today so I… go to work.
6. The people … stop the destruction of the rainforests.
III) Form negatives from the words in brackets.
1. Some nature problems are (possible ) to solve.
2. Smoking in public places is (legal) in our country now.
3. Many plants and animals will soon (appear) .
4. This person is sometimes (responsible).
IV) Fill in: in, from, of, away from, for, by, with, on.
1. Glass is made … sand.
2. Many animals are … danger.
3. The cat runs … a dog.
4. Fill is a great fan … Manchester United.
5. Sprays are harmful … the environment.
6. Many species are protected … law.
7. Please be careful what you do … any waste water.
8. A lot of cars in Russia run … petrol.
V) Put the adjectives in brackets into correct form.
1. Jim is the (lazy) pupil in the class.
2. Your armchair is (comfortable) than Jane`s.
3. My new flat is (big) than the old.
4. That day was (happy) in my life because I met my love.
5. Sam is (sociable) boy of all our friends.

I - 1) waste     2) switch     3) extinction     4) repair     5) paper     6) glass     7) campaign     8) compost     9) endangered     10) packedII - 1) must      2) have to      3) could      4) shouldn't      5) don't have to      6) ought toIII - 1) impossible       2) illegal       3) disappear       4) irresponsibleIV - 1) from       2) in       3) away from       4) of       5) for       6) by       7) with       8) onV - 1) laziest      2) more comfortable      3) bigger      4) the happiest      5) most sociable