Did you see Karla? She just left in a hurry ...

[ Grammar ]

Did you see Karla? She just left in a hurry after receiving that phone call and she looked worried. I am sure, it ____________________ something serious.

A. Mustn’t be
B. Must be
C. May be
D. Might not be

Select your answer:

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A. Present Simple

B. Present Continuous

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He’s disappointed … the results.

A. for

B. to

C. about