Topics: Vocabulary and Grammar
Air, food and water are ________ to human beings.
A. unquestionable
B. indebted
C. undeniable
D. indispensable
Select your answer:

Random Topics:
Irregular AdjectivesPrepositions and Phrasal VerbsSpeech TensesPresent/Future/Past Simple/Present PerfectPast and Perfect TensesPresent Continuous TensePassive Voice - Present ContinuousAdverb of MannersGrammar - PunctuationMixed GrammarOther quiz:
Conjunction › View_____ the fact that I’m allergic to dogs, my parents are getting a puppy.
A. In spite of
B. Although
Wish clause › View
She made lot of mistakes but I wish she______
A. didn’t
B. hadn’t
C. wouldn’t
D. did
