[ Tenses ]
By the time Sarah finishes her project next week, how long ___ working on it?
A. Will she have
B. She has
C. She will have been
D. She will

Random Topics:
Modals and Present TensesSimple Verb TensesDefinite and Indefinite ArticlesWishesConditionals / Unreal PastPresent Perfect and Past TensesNoun and PronounTenses and StructureActive and Passive voiceAdverbs of TimeOther quiz:
Past Tense › ViewThey _________ in Beijing for three years when he lost his job.
A. had lived
B. lived
C. have been living
D. had been living
Phrasal Verbs › View
A: Is that story true? B: No. I made ___.
A. it down
B. it out
C. it up
D. it away