[ 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:
Tenses › ViewWhich of the following sentences is in the present continuous tense?
A. Aria dances beautifully.
B. Henry is playing soccer now.
C. Priya was swimming in the pool.
Grammar › View
Choose the right answer:
Jane ___ very tired. Don’t you think?
_____
A. is looking
B. is seeming
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
