[ 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:
Grammar › ViewOne of the boys ……. missing.
A. was
B. is
C. were
D. are
Grammar › View
Ed is working outside. It is very hot. Ed doesn’t feel well. What should he do?
A. He shouldn’t drink lots of water.
B. He should wear heavy clothes
C. He shouldn’t use a wet towel.
D. He should stay in the shade.
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
