[ Grammar ]
Robert Ballard invented an underwater robot. “An” is an article.
A. TRUE
B. FALSE
Select your answer:

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Adverb or AdjectiveGender and GrammarPresent Tense (Negatives and Questions)VOCAB & GRAMMARSimple Future - PassiveShould and Shouldn'tTo Infinitive or GerundVerb AbilitySimple Present TensesState Verbs and Action VerbsOther quiz:
Grammar Rules › ViewApply the correct capitalization to the following sentence: the statue of liberty is located in new york harbor.
A. the statue of liberty is located in new york harbor
B. the statue of liberty is located in New York Harbor.
C. the statue of liberty is located in new york harbor.
D. The Statue Of Liberty Is Located In New York Harbor.
Modals › View
Complete the conversation with the correct word.
The people who filmed the movie (5) ____________ (must / mustn’t) know who he is.
A. must
B. mustn’t
