1. If the weather's nice, we'll eat in the garden
2. If you tell him a problem, I'm sure he'll understand
3. If she fails the exam, she won't get a place at university
4. If you go to bed early, you will be better in the morning
5. If I see Sylvia, I will give her a message
6. If I write it in my diary, I won't forget the date
7. If you cook the dinner, I'll do the washing up
8. If I lose my job, I won't have any money
9. If it rains, we'll be at home.
10. If you come by train, I'll meet you at the station.
Объяснение:
1) b; 2) a; 3) b; 4) a; 5) b; 6) a.