PC

我的个人电脑已经用了五年，现在运行速度很慢。

My ___PC is five years old and now runs very slowly.

我爸爸用他的电脑工作。

My dad uses his ___PC for work.

这台电脑是新的。

This ___PC is new.

我们家里有两台电脑。

We have two ___PCs at home.