[ Modals of Deduction ]
They ___ have gone home early. The office is empty.
A. must
B. might
C. could
D. All of the above

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Passive Voice & TensesModalsSimple Past Tense (was/were)Tenses - Present and PastGrammar and Sentence CorrectionPast Perfect and Past Perfect Continuous TensePast Simple and Past ProgressiveVerb + InfinitiveSimple Present vs Present ProgresiveModals and PhrasesOther quiz:
Conjunctions › ViewShould we walk, ____ run to the park?
A. or
B. and
Modal Verbs › View
It isn’t mandatory to submit my assignment today.
A. I mustn’t submit my assignment today.
B. My assignment must have been submitted today.
C. I needn’t submit my assignment today.
D. My assignment is required to submit by today.
Western Europe Countries › ViewWhat is the capital of Sweden?
A. Berlin
B. Oslo
C. Helsinki
D. Stockholm
Grammar › View
. If my colleagues had wanted my opinion, they _______ it.
A. would have asked for
B. would have asked
C. have asked about
D. had asked
