Topics: Modal Verb in Passive Voice
Energy _______________ by everyone.
A. can conserve
B. can conserving
C. must be conserved
D. must conserve
Select your answer:
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Grammar › ViewHow _________ water do you drink every day?
A. any
B. some
C. much
D. many
Grammar › View
NASA is planning new missions to places where no one———- before
A. was gone
B. has been
C. will be gone
D. have gone