[ Adverb Clauses ]
He couldn’t go to the concert __________ he had to work.
A. if
B. until
C. unless
D. as
Random Topics:
Grammar - to beGrammar on ConditionalsEnglish for TourismAdjectives (-ed / -ing)Grammar-Present Continuous-Sentence MakingPresent Simple & Present ContinuousParallelism and Subject Verb AgreementPresent/Past/Future Continuous TenseGerund, Infinitive & ModalsSimple Future - PassiveOther quiz:
Unreal Conditionals › ViewWhich is incorrect?
They might have understood if you explained it better.
A. might have understood
B. explained
Present Tenses › View
The new building _______ 100 floors and more than 500 units.
A. has
B. have
C. is having
D. has had