在许多国家，医疗费用变得越来越昂贵。

Healthcare costs are becoming ___more ___and ___more expensive in many countries.

在线学习在全球范围内变得越来越普遍。

Online learning is becoming ___more ___and ___more common worldwide.

随着技术进步，智能手机变得越来越精密。

As technology advances, smartphones are getting ___more ___and ___more sophisticated.