他已经吃过午饭了。
He ___had already eaten lunch.
我们住在城里时有一辆红色的小汽车。
We ___had a red car when we lived in the city.
她上个月经历了一次难忘的旅行。
She ___had an unforgettable trip last month.
昨天我必须完成作业才能出去玩。
I ___had to finish my homework before going out yesterday.