Use the drop-down menus to complete each sentence.

Keywords are selected and recorded during the stage.

The search engine finds and displays all stored web addresses during the stage.

Algorithms influence the pages during the stage.

“Spiders” read a web page and follow links to other pages during the stage.

I am posting for other people. The answers are

Use the drop-down menus to complete each sentence.

Keywords are selected and recorded during the indexing stage.

The search engine finds and displays all stored web addresses during the retrieving stage.

Algorithms influence the pages during the ranking stage.

“Spiders” read a web page and follow links to other pages during the crawling stage.