Topics: Modal Verb in Passive Voice
More energy-efficient homes _______________.
A. must be building
B. is built
C. must be built
D. is building
Select your answer:

Random Topics:
Grammar - First ConditionalUsed to & would & Past SimpleAdverbial Clause / If / ComparativesComplex Sentences with Adverb ClausesGrammar (was, were, could, could not)Preposition of DirectionQuestion WordsAdjectives and PronounsAuxiliary and Modal VerbsGrammar on ConditionalsOther quiz:
Grammar & Vocabulary › ViewHung founds a movie club. People join this club because they are_____ watching movies
A. in
B. on
C. at
D. into
Present simple or Past simple › View
John ____ the championship last week.
A. win
B. wins
C. won
