[ Past Tenses ]
I _____ (clean) the windows when I _____ (slip).
A. was cleaning; slipped
B. cleaned; was slipping
C. was cleaning; was slipping
Select your answer:

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Comparison Degree & GerundsPassive Voice with ModalsModal Verbs & Reflexive PronounsApostrophe GrammarPreposition (at,in,on)Past ParticipleLinking Verbs & Helping VerbsAdverbs of Manner, Likes and PreferencesWish SentenceSentence CompletionOther quiz:
Grammar › ViewIdentify the helping verb in the following sentence.
I have told you a thousand times to to call me Shirley!
___
A. thousand
B. times
C. have
D. told
Grammar › View
Smartphones, laptops and tablets are the modern devices ____ have changed the way we think.
A. what
B. that
C. who
D. whose
