Read the sentence and choose the correct answer.

That photo __________  be real, but I'm not sure.

• must

• might

• can't

Read the sentence and choose the correct answer.

That guy looks exactly like David. He   __________    be David's twin brother.

• must

• may

• can't

Read the sentence and choose the correct answer.

I'm not certain, but I think the story _________  possibly be fake.

• can't

• must

• could

Read the sentence and choose the correct answer.

You know a lot about computers. You  __________   be interested in them.

• can't

• might

• must

Read the sentence and choose the correct answer.

David ___________be on social media - I've never seen him post anything.

• could

• can't

• must

Read the sentence and choose the correct answer.

That social media account ____________ be fake, but I'm not certain.

• could

• can't

• must

Read the sentence and choose the correct answer.

This ____________be Isabel's desk, because that isn't her laptop.

• must

• can't

• may

Read the sentence and choose the correct answer.

I can't find my phone! It _________ be in the library, or perhaps the cafe.

• must

• can't

• might

Read the sentence and choose the correct answer.

That boy ___________be Max. He's taller than Sam, and Max is shorter.

• can't

• could

• must

Read the sentence and choose the correct answer.

I've seen the same story on several news websites. It __________ be true.

• can't

• must

• may