While I ______ on my project, my sister ______ me with some questions.
A. worked / disturbed
B. was working / disturbed
C. work / disturbs
D. am working / disturbs
E. will work / disturbs

Random Topics:
Grammar- Later/LatterImperative SentencesAdjectives or AdverbsAdverb Of PlacePresent Perfect and Present Perfect ContinuousLinking Verbs and TensesCompliment, Congratulation, and HopeGerunds, Infinitives and ParticiplesConjunctions in Complex SentencesPresent Perfect Simple & Present Perfect ContinuousOther quiz:
Grammar › ViewI want to be a doctor __________ I want to help other people.
A. although
B. while
C. until
D. because
E. unless
Narrative Tenses › View
A _________ (you / complete) the report when you went for lunch yesterday?
B No, _________ (I / still / write) it yesterday afternoon.
A. Did you complete / I still wrote
B. Were you completing / I was still writing
C. Had you completed / I was still writing
Grammar › ViewA few of the students __________ their assignments on time.
A. submit
B. submits
C. submitted
D. have submitted
Modal Verbs › View
The snake disappeared from the zoo some time on Thursday. ‘It ____ slipped out of the cage while the door was open.’
A. had to
B. should have
C. needn’t have to
D. must have
