[ Tenses ]
Scientists believe they ___ life on the planet outside our solar system by the end of this decade.
A. will be discovering
B. are discovering
C. have discovered
D. would discover
E. will have discovered
Random Topics:
Present simple, Present continuous, Singular, PluralFuture Tense - will and going toActive and Passive Gerunds and InfinitivesVerb, Object, PrepositionTenses and VoiceTransition WordsModals of DeductionIntermediateInterjection & Prepositional PhrasesIndependent ClausesOther quiz:
Modals › View. If I ______ you, I would study harder.
A. Were
B. Am
C. Was
D. Would be
E. Could be
Grammar › View
We’ve all been working __ hard.
A. really
B. too