[ Vocabulary ]
the careful use of a resource to prevent it from being wasted and make it last longer
A. efficiency
B. nutrient depletion
C. ozone
D. conservation
Random Topics:
Preposition after some VerbsPresent Simple and Present Continuous TenseVocabulary and DefinitionsGrammar - Reflexive Pronounsused to vs be used to vs get used toNumbersSimple Past Irregular & NegativeIf- ConditionalPassive to ActiveDirect and Indirect SpeechOther quiz:
Grammar › ViewWe are _________ approaching the deadline so everyone needs to work hand in hand to finish the task.
A. quickly
B. quick
C. quicker
D. faster
Adverbs › View
Modify the verb in this sentence with an adverb: ‘The child laughed.’
A. The child laughed loudly.
B. The child laughed silently.
C. The child laughed happily.
D. The child laughed softly.