Topics: Adverb Clauses of Time
Mary cleaned the kitchen. At the same time, Ron cleaned the bathroom.
Mary cleaned the kitchen _____ Ron cleaned the bathroom.
A. before
B. after
C. when
D. while
E. until
Select your answer:

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Grammar - First ConditionalVerb to have“Put” Phrasal Verba, an, the, zero articleState Verbs and Action VerbsCountable & Noncountable NounsModals - Reported Speech - ConditionalsVerbs: Action, Linking, and HelpingMixed ConditionalVerbal CommunicationOther quiz:
Present Tenses › ViewDr Jacobs ___________ (teach) at this university for almost twenty years, but he __________ (never have) such brilliant students.
A. has taught, has never been teaching
B. has been teaching, has never been having
C. has taught, has never had
D. has been teaching, has never had
Prepositions and Tenses › View
Choose the correct modal verb for polite permission: ___ I open the window?
A. Can
B. Should
C. Must
D. Will
