6B Modals of deduction

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

• a. can't drink

• b. can be drinking

• c. might be drinking

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

• a. might be

• b. must be

• c. can be

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

• a. might not be

• b. can't be

• c. must not be

You have walked for ten hours. You ______ exhausted.

• a. might be

• b. can't be

• c. must be

He ______ their son. They have only daughters.

• a. might be

• b. can't be

• c. mustn't be

He ______ be very proud of you right now. You disappointed him.

• a. must not

• b. can't

• c. might

Sorry, but I'm not Charlie Puth. You ______ me for someone else.

• a. might be confusing

• b. can't confuse

• c. must be confusing

She _____ in love with him. She told me she hates him.

• a. can't be

• b. might not be

• c. must be

This is not possible. You _____ be serious!

• a. must

• b. can't

• c. might

If he drives a Lexus 600, he _____ quite rich.

• a. might be

• b. must be

• c. can't be