Compleate the sentences with the past perfect form of the verbs in brackets

1.I_______(not travel) by ship until i went to Indonesia last year.

2.Before her final round-the-world fight, Amelia Earhard______(break) many records.

3.After Neil Armstrong______(walk) on the moon, he become very famous.

4.I_______(not go) to Shymkent until our holiday last month.