[ 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
Random Topics:
Grammar and VocabulariesCorrelative Conjunction & Complex SentencesPrepositionGrammar - Present and Past PassiveImperative SentencesSubordinating and Coordinating ConjunctionsAdjectives and ArticlesPast Perfect Tense and Past TenseVocabulary, Grammar, SpellingGrammar: Simple Past and Past ContinuousOther quiz:
Grammar › ViewI would not move to the moon __________ it is a beautiful place.
A. if
B. after
C. as though
D. although
Prepositions › View
The restaurant is well-known _______ its friendly atmosphere and excellent service.
A. on
B. from
C. for
D. at
Relative Clause › ViewHe arrived with a friend ______ waited outside in the car.
A. whom
B. which
C. who
D. whose
Perfect Tenses › View
The villagers _______________ the old man’s house.
A. have repaired
B. has repaired
C. had repair
D. had repaired