展会上的参展商们都在努力推销自己的产品。

Exhibitors are trying to ___promote their products.

由于工作表现优异，他被提升为部门主管。

He was ___promoted to department head due to his outstanding performance.

社交媒体是推广新产品的好平台。

Social media is a great platform to ___promote new products.

这家公司通过社交媒体推广他们的新产品。

The company uses social media to ___promote their new product.