[ Subject Verb Agreement ]
The president or thevice president _________ speaking today.
A. is
B. are

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Run-On SentencesTenses - AuxiliariesPresent Simple: affirmative, negative, interrogativeModals - Conditionals - Future TensesMaritime Vocabulary and GrammarVocabulary, Grammar, SpellingModal Verb in Passive VoiceThe First Conditional SentencePast Tense and Past ContinuousIndefinite and Intensive NounOther quiz:
Grammar › ViewThis program ___ very well.
A. works
B. work
Past Simple and Past Continuous Tenses › View
Which tense is used to describe completed actions or events in the past?
A. Past Simple
B. Past Continuous
C. Future Continuous
D. Present Perfect
Mixed General Quiz › ViewHow late are you ___ to stay up at night?
a. aloud
b. allowed
Passive Voice › View
The new opera __________________ ( finish – just )
A. The new opera is just finished.
B. The new opera was just finished.
C. The new opera has been just finished.