[ Past Perfect Tense ]
It _________ before.
A. has happened
B. had happened
C. have happened
D. happened
Random Topics:
Pronouns and Subject Verb AgreementCorrelative Conjunction & Complex SentencesConditional Sentences Type 0, 1 and 2Causative VerbFirst and Second ConditionalGrammar - either...or, neither...norNounRelative Pronoun/AdverbsTimeGrammar - FragmentsOther quiz:
Modal Verbs › ViewSome shells ______ give you a toxic or painful sting, so you ______ be careful.
A. Must , must not
B. Can , have to
C. Can , mustn’t
D. Should , shouldn’t
Adverbs › View
It took us _____ to get to the museum than to the park.
A. longer
B. longest
C. long
D. more long