1. called- wasn't- was studying

2. watched- had done

3. has

4. will be- hears

9. had spoken

5, to spend

6, walking 

***

1. If you don't remember our dress, you can find it in the phone book. 

2. If he had revised all his lessons, he wouldn't ahve failed the exam. 

3. If you don't go away, i will call the police. 

4. If i had eaten luch, i wouldn't feel hungry now. 

5. Many flowers in the garden have been picked by my mother. 

***

1. C-> would

2. B-> who enjoy

3. A-> Although

4. D-> applying 

5. A-> smoking 

***

1. dangerous

2. natural

3. leader 

4. attractions 

I

1, called; wasn’t; was studying

2, watches; has done

3, has

4, will be; hears

9, had spoken

5, to spend

6, walking

II

1, If you don’t remember our address, you can find it in the phone book.

2, If he had revised all his lessons, he would not have failed.

3, If you don’t go away, I’ll call the police.

4, If I had eaten lunch, I would not feel hungry now.

5, Many flowers have been picked in the garden by my mother.

III

1, c -> would

2, b -> who enjoy

3, a -> although

4, d -> applying

5, a -> smoking

31, dangerous

32, natural

33, leader

39, attractions