[ Grammar ]
Which of the following is a proper noun?
A. river
B. London
C. book
D. happiness
Select your answer:
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VOCAB & GRAMMARTenses and ConclusionsModals "Should"Pronouns and Subject Verb AgreementModal and Relative PhrasesTenses and Time MarkersGerund & InfinitivesPast Perfect and Past Perfect Continuous TenseAdverb or AdjectiveOther quiz:
Grammar › ViewHe’s the engineer ………………………………… invented the ferris wheel in the 1980s .
A. which
B. who
C. where
Modals › View
He __________ known it was your birthday. Otherwise, I’m sure he would have wished you a happy day.
A. might have
B. can’t have
C. should have
D. must have