[ Grammar ]
_______ source of energy is the source that can’t be replaced after use.
A. Renewable
B. Natural
C. Effective
D. non-renewable

Random Topics:
Demonstrative PronounsPast Continuous Tense & Past ModalsTenses of Verbs - UsageTOEFL Adjective and AdverbUsed to - Would - TensesGerunds and InfinitivesFor vs SincePrefixes SuffixesLinking Words and ConjunctionGrammar ModalsOther quiz:
Present Tenses › ViewHe often_video games at the weekend.
A. Played
B. Plays
C. Play
D. Playing
Future Tense Vocabulary › View
Sensation
A. not paying attention as well as you should
B. just or only; barely
C. a weird physical feeling
D. having control of the situation or someone not in a good way
Grammar › ViewWhat …………………… were they to offer you a job abroad?
A. would you do
B. were you to do
C. might you have done
Grammar › View
Choose the adverb
The baby slept upstairs.
_
A. The
B. baby
C. slept
D. upstairs
