Ответ:

4. If he had learned the truth, he would have been very angry.

5. If you hadn't missed your chance to score, we would have reached.

6. If the Chinese gymnast hadn't made a mistake on the vault jump, our Lilia Podkopayeva would not have become the Olympic champion.

7. If you had trained seriously and regularly you would have set up a new record long ago.

8. If the rain hadn't stopped the competition would have been postponed.