Упражнение 13. Прочитайте историю, которая вполне могла случиться. Выберите правильный вариант

Упражнение 13. Прочитайте историю, которая вполне могла случиться. Выберите правильный вариант глагола-действия. I (met/was meeting) a friend while I (did/was doing) the shopping. While I (paid/was paying) for my things,  I (heard/was hearing) someone call my name. I (turned/was turning) round and (saw/seeing) Paula. She (wore/was wearing) a bright red coat. We (decided/were deciding) to have a cup of coffee. While we (had/ were having) a drink, a waiter (dropped/was dropping) pile of plates. We all (got/were getting) a terrible shock. While the waiter (picked/was picking) up the broken plates, he (cut/was cutting) his finger. We (left/were leaving) the cafe and (said/were saying) goodbye. I (finished/was finishing) my shopping and (went/was going) home.