[ 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:
Present Perfect Tense › ViewKelly and Sammi ___________________ (play) the piano for six years.
A. has played
B. have played
C. has play
D. have playing
Grammar › View
________his illness, Benny went to school because he had an important exam.
A. Although
B. In spite
C. Because
D. Despite
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
