[ Modal Verbs of Possibility ]
The lights are off in the office. The workers ___ still be there.
A. must
B. might
C. can’t
D. could

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Simple Present and Past TenseAdverb and Noun ClausesSimple Past - Irregular VerbsGrammar - Reflexive PronounsThe First Conditional (if/unless)Past Tense vs Present TenseAction vs Linking Verbs/ Verb PhrasesPresent Simple or Present ContinuousAspect or tenses of VerbsTenses and QuestionsOther quiz:
Future Perfect Continuous › ViewBy 2020, she ____ (study) English for 10 years.
A. will have been studying
B. Have been studied
C. Had been studying
Grammar › View
When we get ready for dinner, I have to take my books ___________ the table.
A. Off
B. From
C. Out
D. Of
