Choose the best words to complete the sentences. It is so dark in here! There is not even a of light. Radio are used in communication technologies, such as television, mobile phones, and radios. In 2020, nearly 8,000 orbited the Earth. A is made up of millions of stars.

Задание

Choose the best words to complete the sentences.

Choose the correct option.

It is so dark in here! There is not even a [channel|beam] of light.

Radio [lights|waves] are used in communication technologies, such as television, mobile phones, and radios.

In 2020, nearly 8,000 [planets|satellites] orbited the Earth.

A [galaxy|comet] is made up of millions of stars.