is的过去式是was。
例如：Inflation was so high that the notes were like Monopoly money.
相关介绍
His life was drawing to a close.
他的生命正走向终点。
We were amazed to find that no one was hurt.
我们很惊异地发现竟没有人受伤。
Don was deep in conversation with the girl on his right.
唐与他右边的女孩在专心交谈。
