By the time Pete telephoned me, I had already finished updating my social networking profile.

Pete telephoned me while I was updating my social networking profile.Pete telephoned me after I had already finished updating my social networking profile.Hardly I had finished updating my social networking profile when Pete telephoned me.When Pete telephoned me, I finished updating my social networking profile.Hướng dẫn giải:

Dịch nghĩa: Hầu như tôi đã hoàn tất cập nhật hồ sơ mạng xã hội của mình khi Pete gọi điện cho tôi.