Look at those dark clouds! It _____ rain soon.

Sarah has studied very hard for the exam. She _____ get a good score.

A fish _____ live outside water for a long time without special conditions.

Look! The lights are on, and I can hear people talking inside. Someone _____ be at home.

I'm not sure where Daniel is. He _____ be at the library.

Which sentence describes a general possibility?

Tom has been studying in the library for five hours. He looks exhausted. He _____ be tired.

I don't know if Lisa will join our party. She _____ come later.

Which sentence expresses a strong conclusion based on evidence?

Penguins _____ fly because their wings are adapted for swimming, not flying.

The road is wet, and there are dark clouds. It _____ have rained recently.

There is no way that Jack is in the classroom. I just saw him leave the school building. He _____ be there now.

Emily hasn't answered her phone for three hours. She _____ be busy.

Which sentence shows that the speaker is almost certain something is true?

A person _____ survive without water for a very long time.

The restaurant is completely empty, but all the tables are reserved. It _____ be fully booked later.

Look at the empty cake box. There are crumbs on the table, and your Jamal has chocolate on his face. He _____ have eaten the cake!

Jason is wearing his football uniform and carrying his boots. He _____ be going to football practice.

My phone battery is at 10%. It _____ turn off before I get home.

Which sentence describes a general possibility about technology?