[ Modal Verb in Passive Voice ]
Energy _______________ by everyone.
A. can conserve
B. can conserving
C. must be conserved
D. must conserve

Random Topics:
Mixed TensesCity PlacesPrepositions after Verbs and AdjectiveSimple and Continuous Present TenseSubject and Verb AgreementModal PossibilitiesConjunctions, Interjections and DeterminersPerfect and Past TensesDEGREE COMPARISONPassive Voice, Modals of Deduction and First ConditionalOther quiz:
Conjunction › ViewChoose the correct correlative conjunctions.
__________ was it cold outside, _______ it was snowing.
A. not only/but also
B. either/nor
C. no sooner/than
D. both/and was
Vocabulary › View
Degrees Celcius and degrees Fahrenheit are the units of ___________.
A. force
B. temperature
C. length
D. mass
E. time
Grammar and Vocabulary › ViewWhat _____ on your last holiday?
A. you did
B. did you do
C. did you
Adverbs of Frequency › View
I went to a restaurant last week, but I ______ eat at home
A. usually
B. rarely
C. always
