他们决定升级酒店的无线网络以提高客人满意度。

They decided to ___upgrade the hotel's WiFi to improve guest satisfaction.

由于他出色的销售业绩，公司将他晋升为区域经理。

For his outstanding sales performance, the company ___upgraded him to regional manager.

我们计划下周将办公室的电脑都升级到最新配置。

We plan to ___upgrade all the office computers to the latest configuration next week.