Zaire - Refugee crisis

The video tutorial provides a brief introduction to Facebook, followed by an explanation of the use of commas in writing.

What is Facebook primarily known as?

• A social media platform

• A search engine

• An online marketplace

• A video streaming service

Which of the following is a correct use of a comma?

• I went to the store and bought, milk.

• I went, to the store and bought milk.

• I went to the store and, bought milk.

• I went to the store, and bought milk.

What is a common mistake when using commas?

• Placing them before conjunctions in compound sentences

• Using them after introductory phrases

• Placing them between a subject and verb

• Using them to separate items in a list

Which sentence correctly uses a comma?

• Before we leave make sure the lights, are off.

• Before, we leave make sure the lights are off.

• Before we leave make sure, the lights are off.

• Before we leave, make sure the lights are off.

What is the purpose of a comma in a sentence?

• To indicate a question

• To emphasize a word

• To separate ideas or elements

• To end a sentence