[ Tenses ]
A clean surrounding ____________ a healthy living.
A. ensured
B. ensures
C. will ensure

Random Topics:
Past Perfect Simple & ContinuousArticles and DeterminersNumbersFrequencyLinking VerbGrammar - direct/indirect objectsConjunctivesSimple present/ past/ future tenseCommas and Subordinating ConjunctionsSimple and Progressive Verb TensesOther quiz:
Tenses › ViewAfter Heru … Los Angeles, he went to California.
A. Was visited
B. Had visited
C. Has been visiting
D. Has been visiting
Grammar & Vocabulary › View
They bought a ___ of flowers for their teacher.
A. bouquet
B. stalk
C. box
Tenses › ViewMy mother is busy at the moment. She ______________ her favourite programme.
A. is watching
B. has watched
C. watched
D. watches
Conjunctions › View
We can visit the library ____ go to the computer room.
A. and
B. but
C. or
