What ________ (you/do) when the earthquake struck?

During the storm, the family _________ (huddle) together in the basement for safety.

When you arrived at the party, everyone ________ (dance) on the dance floor.

When ______ (you/realize) that you had lost your keys?

While I ______(work) on the project, my friend called me with important  news.

What tense is typically used to describe a series of completed actions in the past?

She ______ (read) a book when the phone rang.

I ______ (watch) TV when the power went out last night

Which tense is used to describe an action that was in progress at a particular time in the past?

Which tense is used to indicate an action that happened at a specific point in the past?