I,
4. If you do a lot of exercise, you will stay fit and healthy
5. If you are a mechanic, you will understand engines
6. If you read newspapers, you will know what's happening in the word.
II, Hoàn thành những câu sau
1. the weather is ... we will drive ...
2. she sends ... they will receive ...
3. Fred will be ... Jack arrives ...
4. I will come ... I have ...
5. she doesn't pass ... she won't get ...
6. You will learn ... you take ...
7. I get ... I will go ...
8. I will buy ... it doesn't cost
9. If you run ... you will catch ...
