People ______________on mars by the end of this century.
A. will living
B. will have lived
C. will be living
D. will lived

Random Topics:
Past Tense and Past ContinuousConditional Sentences and AdverbsConditionalsPresent ProgressiveRelative Clauses and Past PerfectGrammar - Wh QuestionsObject PronounVerb Tenses and Subject Verb AgreementAlthough / DespiteTenses PracticeOther quiz:
Grammar › ViewI would have gone to the party if I _____ you were there.
A. had known
B. would have known
C. known
Phrasal Verbs › View
If you want to be healthy, you should__________ your bad habits in your lifestyles.
A give up
B call off
C break down
D get over
Interjection & Prepositional Phrases › ViewWhich sentence demonstrates the correct use of prepositions of time?
A. The train departs on 5:00 PM in the afternoon.
B. Olive will finish the project by next Friday.
C. We stayed up late since the night.
D. They arrived on the morning.
Mixed General Quiz › View
The state of Minnesota has two nicknames. One is “The Land of Sky Blue Waters” because ___ is what “Minnesota” means in a native American language.
a. these
b. those
c. that
d. which
