[ Passive Voice ]
Gold __________ in California in the 19th century.
A. was discovered
B. was discover
C. has been discovered
D. they discovered

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Past Tense & Past Continuous TenseSubject, Object, Possessive Pronoun and Possessive AdjectivesVocabulary and TensesReported speech (statements)Participle - ing/ edSimple Present TenseRelative & ModalsPresent Tense (Negatives and Questions)Tenses - Irregular VerbsModal Verbs and ConjuctionsOther quiz:
Subject-Verb Agreement › ViewShe (teach, teaches) how to shelve books.
A. teach
B. teaches
Subject – Predicate › View
The subject is…
A. Always the first word of the sentence
B. Always capitalized
C. What the sentence is about
D. The part of the senctence containing the verb