[ 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:
Grammar › ViewI HOPE _______ PARENTS TAKE US TO THE MOVIES TONIGHT.
A. ARE
B. OUR
C. HOUR
Phrasal Verb › View
Her mother always puts ____ with her.
A. up
B. on
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
