[ Modal Verbs of Certainty and Possibility ]
She could _____ by bus but I thought she was taking the train.
A. have gone
B. go
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Simple Present Negative and QuestionParticipal PhrasesGrammar (Adverbs, Prepositions, Prepositional Phrases)Adverb of Frequency and TensesPassive Voice - Present Simple and Past SimpleVerb TenseDeterminersPossessive Pronouns and Adjective PronounsModalSimple Past vs Past Continuous TenseOther quiz:
Grammar › View
A. lighter
B. rug
C. iron
D. matches
Tenses › View
Some ducks ___ in the pool at the moment.
A. are swimming
B. are swiming
C. is swimming