Изберите соответсвующие формы глаголов и дополните предложения.Andrew _____in the USA before

Изберите соответсвующие формы глаголов и дополните предложения.

Andrew _____in the USA before he came to Australia.

а)worked b) had worked

I came at four, but Paul ______by that time.

а)had left b) left

I _______the tickets for the musical. Here they are.

а)have bought b) had bought

By 7 oclock yesterday we ________the two systems.

а)connected b) had connected

When we came in, we saw that somebody _____the Chinese vase.

а)has broken b) had broken