[ Indefinite Pronouns ]
No one knew how to open the door.
A. correct
B. not correct
Select your answer:
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Relative Clauses and UsageGrammar: MorphologyConjunctions - ConnectorsTenses StructureArticles with SubstancesHave as verb and auxiliaryComparative and SuperlativesVerbs, Tenses, and VocabularyModal ProbabilityVerb and PrepositionOther quiz:
Homonyms › ViewThere is a ___ in my eye.
a. moat
b. mote
Present Simple › View
What ____ he do after work?
A. is
B. are
C. does
D. do