[ Word Form & Verb Tense ]
_____ there is no shortage of fresh water, wastewater is treated and turned into drinking water
A. ensure
B. to ensure
C. ensured
D. ensuring
Random Topics:
1st & 2nd ConditionalsTenses and StructureQuantifiers & Modals of ObligationSentence Fragments and Complete SentencesTake or PutNo Excuse Words / Conjunction SOVerb Tenses and Subject Verb AgreementMixed GrammarVocabulary : Coming & GoingAdverbOther quiz:
Present Simple or Present Continuous › ViewSusan ___ her house because she wants to sell it.
A. redecorates
B. is redecorating
Conjunction › View
… my flight delaying, we missed my sister singing performance.
A. since
B. as result of
C. thanks to
D. therefore