Topics: Modals in the Past - Speculation and Deduction
She __________ completed her naturalization process so quickly; it usually takes years.
A. must have
B. can’t have
Select your answer:

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Quantifiers › ViewThe majority of criminals _________ non-violent.
A. are
B. is
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In the 19th century, people mainly _______ letters to keep in touch.
A. used
B. has used
C. is using
D. will use
