Topics: Modal Probability
Choose the correct modal to complete the sentence: “They ______ have left already, but I’m not sure.”
A. must
B. might
C. can’t
D. should
Select your answer:

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Grammar › ViewJohn: How about going to the public library now? Jane:……… (accepting invitation)
A. I’d be glad to do it
B. I’d love to stay at home, thanks
C. Now, I have an appointment
D. I’m sorry, I can’t
Vocabulary › View
incapable of failure or error
A. clandestine
B. abide
C. infallible
