[ Grammar ]
We ……… in the classroom, when the headmaster entered.
A. have all been sitting
B. don’t sit
C. were all sitting
D. are all sitting
Select your answer:
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Past Simple, Past Continuous, Past PerfectPronouns and QuantifiersGerunds & Infinitives + VocabularyAdverbs by TypeTransitive and Intransitive VerbNarrative, Past TensesDefinite pronouns (Subject, Object, Reflexive)Verb ConjugationGerund & ParticipleOther quiz:
Grammar › View______ _______ five pencils on my desk. There is only one.
A. There isn’t
B. There is
C. There aren’t
Vocabulary › View
A term used to describe the certainty of data or results of an investigation or experiment.
A. investigation
B. data
C. testable
D. valid