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Regular and Irregular AdverbPast Perfect and Past Perfect Continuous TenseSubordinating Conjunctions and ClausesPast PassivePrepositions & Modal VerbsFirst & Second Conditionalwas wereTransitionsPast Simple Verbswould should couldOther quiz:
Vocabulary › ViewMore than a billion people all over the world are under the threat of desert .
A. ncrease
B. expansion
C. development
D. extension
Speculation with Modal Verbs › View
Complete the sentence: She _______ have finished her homework by now, she’s been studying all day.
A. can
B. must
C. might
D. could