[ Future Tenses ]
Sustainable buildings _____ energy efficiency.
A. will improve
B. will have improved
C. will be improving
D. improve

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Past and Past ContinuousVerb Present Simple TensePerfect ModalsGrammar-Verbs & Nouns Singular, Plural, GenderGrammar - Countable/ UncountableSimple, Complex, Compound SentenceModal Verbs & Reflexive PronounsPre-intermediateSuffixes (ing-ed) SentencesTransition WordsOther quiz:
Simple Present and Past Tenses › ViewScientists believe that the Earth _______ spherical.
A. are
B. will be
C. is
D. was
Grammar › View
__________ of the candidates pass this exam.
A. enough
B. fewer
C. either
D. most
Grammar and Vocabulary › ViewWhat time ________?
A. it is now
B. is it now
C. now it is
Vocabulary › View
What is the meaning of the word “avalanche”?
A. Earthquake
B. Flood
C. Snow slide
D. Tornado
