Unit 3

Paul is behaving in a very unusual way. I think he ______ again.

• can't drink

• can be drinking

• might be drinking

If Suzan said that, it ______ true. She never lies.

• might be

• must be

• can be

I'm not sure I trust Peter. He ______ the person we think he is.

• might not be

• can't be

• must not be

There's a bit of traffic, so I ______ arrive in time.

• might not

• cannot

• must not

He ______ his son, they look completely different.

• might be

• can't be

• must not be

What can you see in this picture?

What can you see in this picture?

Global warming is a ______ that impacts of us.

• threat

• threaten

• charge

Rhinos are an _________ species.

You keep leaving the light on even when you go away. Stop _______ energy like that!

• disconnetting

• recycling

• wasting

• throwing away