[ Vocabulary ]
Using renewable energy instead of non-renewable one is of the most effective ______ methods.
A. energy-saving
B. energy-saved
C. to-save-energy
D. saving-energy
Select your answer:
Random Topics:
Simple Present TenseGrammar - Present Perfect TenseModal Verbs in ConditionalsCountable QuantifiersPassive Voice - Present ContinuousTenses - Pasive VoiceIndependent ClausesInfinitives and GerundsTenses and Word FormationPresent Progressive TenseOther quiz:
Grammar › ViewHe is such a _________ driver. He always drives _________.
A. carefully; carefully
B. carefully; careful
C. careful; carefully
D. careful; careful
Grammar › View
Inmost Arab countries, you _____ eat with your left ahnd. You should use your right hand.
A. must
B. mustn’t
C. needn’t