[ Grammar ]
I _____ the vase while I _____ the bookshelf.
A. broke / was cleaning
B. broke / cleaned
C. was breaking / was cleaning

Random Topics:
Determiners & QuantifiersSimple Past TenseParticipal PhrasesNounRelative & ModalsIndefinite and Reflexive PronounsModal Verbs & Time PrepositionsPresent Continuous for FuturePresent Progressive (Future)English MorphosyntaxOther quiz:
Modal Verbs › ViewYou _______ been exhausted after working for 12 hours straight.
A. could have
B. must have
C. might have
D. should have
Grammar › View
When we talk about future plans, we use the ___________ verb tense.
A. present continuous (-ing)
B. past perfect (had + past participle)
C. simple present
D. simple future
Subjunctive › ViewIt’s high time the children … in bed.
A. were
B. are
C. to be
Vocabulary & Grammar › View
I didn’t ___ to like broccoli when I was younger, but I love it now.
A. used
B. use
C. using
D. to use
E. uses