[ Vocabulary ]
We need to use sources of ___ which are environmentally friendly.
A. energy
B. products

Random Topics:
Similes and Body IdiomsCommunicative GrammarConditional ClausePossessive Nouns with Apostrophes and PronounsGrammar and SyntaxFirst ConditionalDescriptionsTransitive or Intransitive VerbsNoun Phrases and AdverbialsConditional 0Other quiz:
Past Tense › ViewDid Santi …… in the trampoline?
A. jumped
B. jump
C. jumping
Grammar › View
The rock band _________play very well last year. Now they are much beter.
A. must
B. couldn’t
C. can
D. should
more quickly
A. positive
B. comparative
C. superlative
Vocabulary › View
to dig out and remove
A. Excavated
B. Perimeter
