I

1, A - preventing.

2, B – to protect

3, C – is

4, D – a lot of

5, B – polluted

6, C – kindly

7, B – beautiful

8, B – pollution

9, A – amazed

10, B – because

II

1, Tom went to Paris because he wanted to see the Eiffel Tower.

Tom wanted to see the Eiffel Tower, so he went to Paris.

2, The house was empty, so we left a note on the door.

We left a note on the door because the house was empty.

3, She was hungry, so she had a big lunch.

Because she was hungry, she had a big lunch.

4, We didn’t enjoy our holiday because the weather was bad.

The weather was bad, so we didn’t enjoy our holiday.

5, It was a public day, so all the shops were shut.

All the shops were shut because it was a public day.

 

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