Ответ на Unit 3, Step 4, Номер 5 из ГДЗ по Английскому языку 9 класс: Афанасьева (Учебник Rainbow)

5 Use the appropriate articles — a, the or zero, — to complete the sentences. In some sentences two variants are possible.
1) The computer has greatly changed the life of people.
2) I have always believed in goodness of man.
3) Dinosaurs lived a very long time ago and are now extinct.
4) Rabbits make very good pets.
5) The windmill uses the power of the wind to do different kinds of work.
6) The wolf seldom lives alone.
7) The bluebird is a small songbird of North America.
8) Some people still think that a woman’s place is at home.
9) A column is usually used to support the roof of a building.
10) A comet often looks like a bright star.
11) Honeybees make and store honey.
12) A helmet should be worn when you ride a motorcycle or a bike.