Exercise 1

1) S

2) S

3) D

4) D

5) S

Exercise 2

1) lots of - many

2) begin - start

3) biggest - largest

4) complete - full

5) around, approximately - about

6) form, create - make up

7) area, territory - region

Exercise 3

1) contains, is made up of - consists of

2) and even - including

3) which people call - known as

4) have problems understanding - get confused between

5) which has another name too - also known as

6) a different - another