While we _____(clean) the house, we _____(break) some glasses.
A. were cleaning/ breaked
B. cleaned/ broken
C. were cleaning/ broke
D. was cleaning/ was breaking

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Has and HaveRelative & Interrogative PronounsHave GotLinking Verbs & Helping Verbstoo / enoughActive-Passive VoicesSimple Past/Past ProgressiveLexico and GrammarVerb Forms and PrepositionsPrepositions of MovementOther quiz:
Run-on Sentences › ViewWHAT IS THE BEST WAY TO CORRECT THIS SENTENCE: The hurricane caused record flooding across the state, it also knocked out power for millions.
A. Add the conjunction “nor” after the comma.
B. Add the conjunction “or” after the comma.
C. Add the conjunction “but” after the comma.
D. Add the conjunction “and” after the comma.
E. Sentence is correct as is. No need to modify.
Tenses › View
He gave us warning to stay away from the machine while it __________.
A. had worked
B. was working
C. would work
D. would be working
Grammar › ViewEcotourism is a form of sustainable travel that supports the local environment instead of putting more pressure ____ it and exploiting its resources.
A. to
B. for
C. on
D. at
Vocabulary › View
New; done for the first time
A. gracious
B. frantically
C. original
D. muttered
