One combination is not possible: Run out of
C. clean water
Causative Verb Loose vs. LoseRelative Pronoun Infinitives and ING FormsActive & Passive VoiceAsking & Giving AttentionVerb Patterns / IngCommon Grammar Mistakes and Spelling TipsPast Simple
Other quiz: Passive Voice
Someone must ____ the door. They are waiting there.
A. be opened
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