[ Complex Sentences with Adverb Clauses ]
______you leave the room, turn off all devices
A. After
B. before
C. till
D. until
Select your answer:

Random Topics:
Indefinite and Intensive NounAsking & Giving OpinionGrammar and AdverbsPhrase and ClauseTransition WordsPast PassiveAcademic VocabularyArticles with Proper NounsPrepotitionsanother/the others/each other/one anotherOther quiz:
Grammar › ViewThe Sun … in the west.
A. sets
B. is setting
C. set
Vocabulary › View
Q: Jill, who’s book is that?
A: I don’t know it doesn’t _______ to me.
A. Hold on
B. Let me know
C. Belong
D. Let me see
E. Look
