[ Tenses and Passive Voice ]
. By 2030, scientists _____ on a cure for this disease for decades.
A. will have been researching
B. will be researching
C. will have researched
D. will research
Random Topics:
Comparatives - SuperlativesMixed ConditionalsModal Verbs for SpeculationFuture - be going toIntermediate PrepositionsSynonymAdverbs, Prefixes, and SuffixesPassive Voice - Present Simple and Past SimpleAdverbs or AdjectivesFor vs SinceOther quiz:
Grammar › ViewSo much progress….. that there may be space-flights to Mars.
A. Is being made
B. Are being made
C. Will be made
D. Will being made
Mixed General Quiz › View
I saw _________ of my friends.
A. none
B. no
C. nobody
D. no one
Visitors can admire the numerous historical buildings in Prague, __ were built hundreds of years ago.
A. some of that
B. some of it
C. some of which
D. some of what
Comparision › View
The blue car ___________ the red car.
A. is as fast as
B. are as fast as
C. is as fast
D. are as fast