[ Grammar ]
Why did you stay________so late last night?
A. up
B. at
Select your answer:
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Grammar Pronoun and Singular Plural NounVerb FormAuxiliaries VerbTime ExpressionsPast SimpleFuture TensesGerunds & Infinitives + VocabularyWriting and Modal AuxiliaryNoun Phrases and AdverbialsPast Narrative TensesOther quiz:
Grammar › ViewI can upload videos ______ download music online.
A. but
B. well
C. and
Present Tense › View
She_________(work) here for five years.
A. is working
B. has been working
C. has worked
D. was working