A resource that exists in limited supply and used up faster than they are able to is be replaced
A. energy conservation
B. renewable resources
C. nonrenewable resources
D. fossil fuels
E. sustainability

Random Topics:
Past ModalsPhrasal Verb & Prepositional PhraseSentencesPast or Present Verb TenseArticle and Order of AdjctivePossessive Pronouns and Adjective PronounsPresent/Future/Past Simple/Present PerfectSubject/Verb Agreement with Collective NounsMust or Mus notSimple and Compound SentencesOther quiz:
Grammar › ViewIf __________ stranger makes you feel uncomfortable, you should tell ________ adult about it.
A. a,an
B.an, a
C. the,the
D.-, the
Passive Voice with Modals › View
What is the passive voice form of the sentence: They could solve the problem easily.
A. Easily the problem could be solved by them.
B. The problem could be easily solved by them.
C. The problem could easily be solved by them.
D. The problem could be solved easily by them.
Perfect Tenses › ViewThe sun was shining and the birds were singing when she got out. What a lovely day, she said to herself. She looked at her car but it was not there. Somebody ____________ it.
A. has stolen
B. have stolen
C. had stolen
D. stole
Grammar › View
The walls, made of ______, were falling down, and the windows were long gone. Birds had made their homes in the roof.
A. glass
B. silver
C. stone
