Use the prompts to complete the sentences. Use the Past Perfect.

2. He got into the team because ..... he / not lose / a single match
3. he / learn / to do back flips ..... before he went to Brazil?
4. The competitor was sure ..... she / beat / the world record
5. the judges / ever / see ...... such a brilliant performance before?
6. She could compete in the Paralympics because ..... she / not / become / a professional