[ Prepositions of Place and Time ]
At this time of the day, she is ___ work.
A. in
B. on
C. at
D. —

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Vocabulary & GrammarElectricity VocabularyInfinitive FormsSports VocabularyStative Verbs and TensesJobsAdjectives, Adverbs, and PrepositionsPresent Simple and ContinuousPossessive PronounsSimple and Continuous Present TenseOther quiz:
Grammar › ViewLi Fang is singing the national anthem now.
The adverb of time in this sentence is _________.
A. now
B. singing
C. national
D. is
Modal Verbs › View
The phone rang but I didn’t hear it. I ________ asleep.
A. must be
B. must being
C. had to be
D. must have been