1. English is the language of United States and England.
2. My native language is Russian and Chinese.
He is looking at the elephants , the monkeys
<span>1........Is........ Laura new to the school? Yes......she is..........................
2............Is.............Tim in Grade 5? No .....he is not.................................
3.....Are....Paul and Steve at secondry school? Yes...they are.............
4.........Are.......Jane and Claire in Grade 7? No........they are not...........
5........Are......... Laura and Jane at primary school? Yes.......they are...</span>
1-a
2-d
3-c
4-d
5-d
6-b
7-d
8-b
9-a
10-a
11-a
12-a
13-c
14-b
15-b
16-d
17-d
1) People have always studied living things in their natural environment.
2) How does our environment influence on 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) What size shoes do you wear?
6) What are the relations between the two families?
7) Young people often send e-mails to each other.
8) Mr Brown is 92 years old but he is in good health.
9) What's the number of children in your family?
<span> 10) Nowadays people often travel by air.</span>