1. I **'ve never heard** (hear) of Alexander Rybak.
2. A girl in my class **has won** (win) a talent competition.
3. The boys **have had** (have) some strange experiences.
4. She **hasn't visited** (not visit) her grandparents' new house.
5. We **have raised** (raise) a lot of money for charity.
6. Dom **has ridden** (ride) a bike from Land's End to John o'Groats.