You haven't slept in 72 hours. You _________ very tired! ...

[ Modals ]

You haven’t slept in 72 hours. You _________ very tired!

A. might be

B. can’t be

C. must to be

D. must be

Select your answer:

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I’m feeling tired and sleepy. What happens if we don’t pass the final tests?

A. If we don’t pass the final tests, we have to take a summer course.

B. Yes, I agree. Let’s take a break.

C. No, final tests are not difficult.