How do you say

I bought a comfortable bed in a furniture store.

..in Chinese?

我在家具店买了一张舒适的床。

wǒ zài jiā jù diàn mǎi le yī zhāng shū shì de chuáng 。

How do you say "For three months now, he has been working out three times a week, and he can feel himself getting stronger." in Chinese?