[ Indefinite Pronouns ]
No one knew how to open the door.
A. correct
B. not correct

Random Topics:
Opinion / AgreementPast form of ModalsAdjectives-Comparison, SuperlativePresent / Future / Present Progressive / non Action VerbsPronounciation and GrammarConjunctions & Cohesive DevicesTOEIC Grammar and Vocabulary ReviewAsking for and Giving OpinionTenses and QuestionsAdverb & Compound SentencesOther quiz:
Grammar › ViewAria is loved by everyone ________ she is a very sweet girl.
A. before
B. unless
C. but
D. until
E. because
Prepositions › View
Since he met his new girlfriend, Juan never seems to be ______ home.
A. On
B. In
C. At
Ahmad usually adds ………… sugar to his tea.
A. a few
B. a little
C. many
Vocabulary › View
What is a synonym for the word “entranced”?
A. Captivated
B. Bored
C. Annoyed
D. Surprised
