[ Tenses ]
Yesterday they ……… the room which …………… by the kids.
A. cleaned / ransacked
B. were cleaning / was ransacked
C. cleaned / had been ransacked
D. were cleaning / ransacked

Random Topics:
For vs SinceDeterminersPhrases & ClausesSimple Present and Present Continuous TenseAdjectives and ArticlesSecond and Third ConditionalModifiersNouns, Articles, DeterminersComplex PrepositionsFirst Conditional & Future TensesOther quiz:
Comparison Degree & Gerunds › ViewMy darling avoids meeting me since we had problem.
A. Participle
B. Gerund
Modal Verb › View
You ___________ use the phone in the class!
A. mustn’t
B. shouldn’t
C. may not
D. don’t have to
Modal Verbs › ViewIt expresses an ability to do something. It is a formal way to speak.
A. can
B. able to
C. should
Vocabulary › View
to overcome by superior force, crush; to affect so deeply as to make helpless.
A. overwhelm
B. flexible
