Ответ:
1. If the weather is fine, we wI’ll go for a walk.
2. If I get this job, I will earn a lot of money.
3. If she goes to London, she will see the Tower of London.
4. If you do not hurry, we will miss the train.
5. If it is windy and stormy tomorrow, we won’t go to the skating-rink.
6. If my parents buy tickets, we will go to the concert.
7. If it is sunny, my friends and I will go to the lake.
8. My friends and I will play football, if it doesn’t rain.
9. My father won’t fish in a boat, if there is a heavy rain.
10. If there is a severe storm, we will stay at home.
11. If my father buys tickets, we will go to the circus.
12. Helen will fly to Moscow in summer, if she has holidays.
13. If Sasha goes to Washington, Jack will show him the city.
14. I will buy this blouse, if I like it.
15. Susan will buy this book, if she has some money.
16. John will go camping, if his parents let him.
17. Mother will let Clyde go to the stadium, if he walks the dog.
18. If there is a thunderstorm, Ted will play tennis in the gymnasium.
19. I will make a report, if I have a lot of interesting material.
20. My brother will buy the products, if he does not forget about it.
Объяснение: