[ Verb Tenses ]
They ______ (not / finish) their work by the time I arrived.
A. hadn’t finished
B. hadn’t been finishing

Random Topics:
Past Perfect Tense and Past TenseVerbal CommunicationFirst & Second ConditionalSingular and Plural NounsVerbs + Infinitives / GerundsVerbal PhrasesInfinitive GerundConditional Sentence 0, 1was werePresent Simple vs Past SimpleOther quiz:
Past Modals › ViewThis hotel is terrible. We _______ reservations at the Marriott.
A. should have maked
B. shouldn’t have maked
C. should have made
D. shouldn’t have made
Grammar › View
Fossil fuel utilization brings about discharge of greenhouse gases, _______ causes environmental change.
A. which
B. that
C. it
D. they