[ Tenses ]
I think humans … on Mars one day.
A. are going to live
B. will live
C. live

Random Topics:
Grammar - may/might/couldCountable Vs Uncountable NounsAdverbs of How Something is DoneSubordination ConjunctionsPRESENT SIMPLE vs PRESENT CONTINUOUS + QUANTGerund Subject or ObjectModal and Auxiliary VerbsPrepositions - ConjunctionsSubject and Verbs AgreementImperative SentencesOther quiz:
Perfect Modals › ViewYou ________ finished the book by now; you’ve been reading it for weeks.
A. must have
B. should have
C. could have
D. would have
Vocabulary › View
A student who is also learning a trade or skill in the workplace.
A. apprentice
B. tourist
C. entrepreneur
D. intern