Which tense is used to describe a past action that continued until another action occurred?
A. Present perfect progressive
B. Past perfect progressive
C. Future perfect progressive
D. Simple past tense

Random Topics:
Prepositions Of PlaceFirst and Second ConditionalModal and Phrasal VerbsPersonificationModals and ConditionalsState Verbs and Action VerbsSimple and Past TensesVerb PhraseDefinite and Indefinite ArticleNouns & PronounsOther quiz:
Coordinate Conjunction › ViewWhich sentence is an example of a comma splice? (remember a comma splice is an ERROR—it is not punctuated correctly)
A. Playing basketball is really fun and I hope to get more opportunities to play it.
B. Playing basketball is really fun, and I hope to get more opportunities to play it.
C. Playing basketball is really fun, I hope to get more opportunities to play it.
Grammar › View
I want this to be done ___
A. precisely, carefully, and immediately
B. with accurate measure, carefully, and immediately
C. precisely, with proper precaution, and immediately
Grammar › ViewIn descriptions of appearance, Jook can’t be used in both simple and continuous. Like:
Jim Jooks iiI. / Helen is looking well.
A. Yess
B. No
Tenses › View
By the year 2030, they _____ (invent) a device for doing homework.
A. will have invented
B. will be inventing
C. will invent
D. are going to invent
