[ 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

Random Topics:
-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:
Have to / Do not have to › ViewHave to/ don’t have to + …
A. Verb bare form
B. V-ing
C. Verb past simple
D. Verb participle
Tag Questions › View
People can´t help the environment anymore, ___________?
A. can´t they?
B. can they?
C. do they?
D. don´t they?
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
