我们需要升级电脑的内存以提高性能。

We need to ___upgrade the computer's memory to improve its performance.

酒店给我们免费升级到了海景套房。

The hotel ___upgraded us to an ocean-view suite for free.

这台新电脑的处理器和显卡都是最新升级版。

This new computer has the latest ___upgrades in both processor and graphics card.