Look and fill in with a/an or some 1 Pass me jam, please. 2 Pass me orange, please 3 Pass me butter 4Pass me lemon 5 Pass me bread 6 Pass me tea​

1.Butter is made from milk.
2.The best tulips are grown in the Netherlands.
3. The Lada cars are produced in Tolyatti.
4.  Warm winter sweaters are usually made of wool.
5.  A.S Pushkin was born in 1799.
   Вопрос:
6.  what pets are generally kept in cages?
    Каких домашних животных обычно(как правило) держат в клетках?
    ответ:
6. Hamsters are generally kept in cages.
    Хомяков обычно держат в клетках.
7.  The English and the French languages are spoken in Canada.
8. The battle of Borodino was fought in 1812.

1)People have always studied living things in their natural environment. 
2)How does our environment influence our children?
3)I don't think people living in isolation could be happy.
4)Ecologists study what happens to different species of birds and animals.
5)My father's influence on me was great.
6)My interest lies in nature .I am fond of animals.
7)It's not easy it collect information about this species of plants.
8)Mr Brown is 92 years old but he is in good health.
9)What's the number of children in your family?
10)Ecology is a science about our environment.