我父亲在一家工厂工作了二十年。

My father ___worked in a factory for twenty years.

我的手机今天突然不工作了。

My phone suddenly stopped ___working today.

这种按摩方法对缓解背痛很有效。

This massage technique really ___works for relieving back pain.

为了考上理想的大学，她每天都非常努力学习。

She ___works very hard every day to get into her dream university.

工匠正在将木头加工成一个精美的盒子。

The craftsman is ___working the wood into an exquisite box.