Topics: Passive Voice with Modals
Hazardous materials ______ labeled clearly before disposal.
A. must be
B. can be
C. may be
D. should be
Select your answer:

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So....that... Such.......thatTypes of Sentence StructuresConjunctions and Verb TensesVerb to Be Tenses & Object PronounNoun / PronounPrepositions of Time, Place, and MovementSentence Structure and Conjunctionswill, be going to, would like toModalsGrammar - NounsOther quiz:
Tenses › ViewLook! Children ____ near the river. It’s dangerous.
A. is playing
B. play
C. are playing
D. were playing
Passive Voice › View
The conference room ___ at the moment.
A. is being used
B. had been used
C. was being used
