Present perfect vs past simple

Gap-fill exercise
By Juan Ignacio Montorio

Fill in all the gaps, then press "Check" to check your answers.

1. Some people (climb) Everest more than once in their lives.
2. He first (climb) it in 1990.
3. Bull (reach) the summit when he was 64.
4. I (see) Hamlet on TV last night.
5. My brother (write) more than ten books.