我不得不把买的那条裤子换一条更大的。

I had to ___change those trousers I bought for a bigger pair.

她决定换掉那条裙子，因为它不合身。

She decided to ___change the dress because it didn't fit properly.

我能把这件衬衫换成另一种颜色吗？

Can I ___change this shirt for a different colour?