[ Modal Auxiliary Verb ]
Jane was so tired. She ___ have worked days and nights.
a. should
b. must
c. need

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Pronoun Antecedent Agreement › ViewGraham moved here from New Zealand. __________ and his family have adjusted well.
A. Him
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Modal Verbs › View
She’s late. I guess she … the wrong road.
A. must have taken
B. must take
C. may have taken
D. may took