[ Grammar and Vocabulary ]
If people ______ on Mars, they _______ need a biosphere.
A. lived / would
B. will live / will
C. live / don’t

Random Topics:
Formal & Informal WordsGrammar & TensesVerb AgreementApostrophe GrammarInfinitive and Gerundswould should couldHave vs. HasModals TensesConjunctions & InterjectionsAdjective & AdverbOther quiz:
Prepositional Phrases › ViewChoose the prepositional phrase from the following sentence:
The attorney that drives a silver BMW wrote a will for his client.
A. that drives a silver BMW
B. wrote a will
C. the attorney
D. for his client
Tenses › View
The verb “Play” is:
A. Regular verb
B. Irregular verb