她最近游泳进步很大。

She has ___gotten much better at swimming recently.

他终于拿到了驾照。

He has finally ___gotten his driver's license.

天已经变得很冷了，你最好穿上外套。

The weather has ___gotten very cold, so you'd better wear a coat.

解释了三遍后，她终于明白了这个数学问题。

After explaining three times, she finally ___got the math problem.