CLEAN : Beijing 2022: Olympic clock shows 50 days until opening ceremony

The video tutorial covers the use of commas in writing, followed by a discussion on oil fields, exploring their significance and related concepts.

What is the primary function of a comma in a sentence?

• To end a sentence

• To separate items in a list

• To indicate a question

• To show excitement

In the context of the video, what does the phrase 'Do the oil field' imply?

• To ignore the oil field

• To understand a specific concept

• To physically work in an oil field

• To visit an oil field