[ Adverbial Clause ]
He stayed behind _____ he could help clean up.
A. in case
B. unless
C. so that
D. while

Random Topics:
Intermediate PrepositionsProverbsIrregular verbsGrammar - First ConditionalSimple Present and Present ContinuosGrammar: Reported QuestionsZero & First ConditionalIrregular AdjectivesAdverbs of TimeGrammar and VocabularyOther quiz:
Past and Present Tenses › ViewBy the time the guests arrived, we _______ the decorations. (finish)
A. finish
B. finished
C. have finished
D. had finished
Vocabulary › View
Which word means “a bad, difficult, or dangerous situation?”
A. droop
B. plight
C. clever
D. accomplish
Present Tenses › ViewAre you _______ (to paint) the house right now?
A. paint
B. paints
C. painting
D. is painting
Grammar › View
With his earnings he built his ______ home.
A. taste
B. dream
C. treasure
