我们在聚会上互换了礼物。

We ___exchanged gifts at the party.

她昨天在银行把人民币兑换成了美元。

She ___exchanged her yuan for US dollars at the bank yesterday.

因为尺码不合适，我把鞋子拿到店里换了一双新的。

I ___exchanged the shoes for a new pair at the store because they didn't fit.

会议结束后，两位经理交换了意见。

After the meeting, the two managers ___exchanged their views.