[ Grammar ]
What __________ when the boss came into the office?
A. have you done
B. was you doing
C. were you doing
D. did you do
Select your answer:
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Common Grammar Mistakes and Spelling TipsParts of Speech and Compound SentencesPassive Voice in Past and Present TensePresent Simple and ContinuousHelpful Phrases Past and Future TensesGrammar : Must (Necessity)Clauses of ReasonBe Verb in TensesGerund vs InfinitiveOther quiz:
Vocabulary › ViewTo finally give in to an idea or action that others are trying to convince you of.
A. grumble
B. caved
C. derail
D. obliterate
Subordination Conjunctions › View
___________ you finish your work first, you should still be quiet so that others can concentrate.
A. Even if
B. Before
C. Unless
D. As soon as