[ Adverb Clause ]
They couldn’t attend the concert __________ they didn’t have tickets.
A. as
B. before
C. if
D. until

Random Topics:
IELTS VocabularyPresent Perfect Simple & ContinuousPrepositions of Time, Place, and MovementCoordinating and Subordinating ConjunctionsModals, Conditionals, and Clauses- Defining, Non-definingSubject Verb Agreement Irregular VerbSimple Verb TensesFamily VocabularyJobsVocabulary and GrammarOther quiz:
Grammar › ViewWe use Past Continuous for?
A. something that happened again and again.
B. something that happened once in the past.
C. something that happened several times in the past.
Grammar › View
Organization is when…
A. Spelling is checked.
B. Things tie together and make sense.
C. Sentences are started differently.
D. my contention is clear