ex.5

a - 4

b - 6

c - 3

d - 8

e - 1

f - 5

g - 7

h- 2

ex.7

2. arrived in - left

3. common - rare

4. lost - found

5. shortest - longest

6. with other people - alone

7. last - first

8. hated - loved

9. sad - happy