如果你改变主意今晚不来，就给我打个电话。

If you ___change ___your ___mind about coming tonight, just give me a call.

当我第一次见到他时我不喜欢他，但我已经改变主意了。

When I first met him I didn't like him but I've ___changed ___my ___mind.

第一节课后，我改变主意了。

After the first lesson, I ___changed ___my ___mind.