1.a) to take

b) with skiing

c) seeing

d)beginning

e)play

2.  1-mammals  2-animals 3- technological advances 4- house work 5-shops

3.

1.important 2.industrial 3.urgent 4.poisonous 5.polluted

4.

a)with b)in c)in d)at e) of

5. local council, wedding aniversary, civil servant, remain unspoiled, daily routine, zero gravity, busy schedule, make friends, fall asleep, official function