[ 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
Select your answer:
Random Topics:
Tenses and StructuresRelative Clauses beginning with PrepositionsTypes of PhrasesPast Simple vs Present SimpleModal and Compound NounsWould rather/ would prefer/ would likeTenses StructureComparativesSentences Function and StructureGrammar Like & Linking VerbOther quiz:
Grammar › ViewThe Thompson arrived ______ Thailand when went on their holiday.
A. in
B. at
C. about
D. to
Subject Verb Agreement › View
Which of the following nouns is irregular?
A. Diabetes
B. Thieves
C. Rabies
D. Teeth