[ 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
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-ing / InfinitiveHelping and Linking VerbsSentence Types and ConjunctionsConjunctions, Prepositions and InterjectionsTense,noun,preposition,quantityFirst ConditionalsAuxiliaries VerbPast simple regular verbsSimple Past Irregular & NegativeSimple Present and Present ContinuosOther quiz:
Modal Verbs › ViewThat’s impossible, he … about her sweetie’s birthday. He’s such a thoughtful person.
A. mustn’t have forgotten
B. can’t have forgotten
C. needn’t have forgotten
Verb to be › View
You…thirsty.
A. am
B. is
C. are
Grammar › ViewI have never ____ to Paris
A. been
B. go
C. was
D. went
Modals › View
Students __________ arrive on time to class.
A. don’t have to
B. have to
C. has to
D. doesn’t have to