[ 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:
Grammar › ViewComplete each sentence by adding the adverb in the form indicated: Kayla swam _____ than her sister. (frequently, comparative)
A. most frequently
B. frequently
C. more frequently
D. frequenter
Grammar › View
According to your advertisement, some training is supposed to _______ to all entry-level workers.
A. be giving
B. be given
C. give
D. gave
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
