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

Random Topics:
Adverbial Clause / If / ComparativesToo or EnoughThird Grade ExamVerbs and Subject Verb AgreementDeterminers & QuantifiersPast Tense vs Present Perfect TensePrepositions and ConjunctionsAdverb or AdjectiveFragment, Comma Splice and Run -on SentenceVocabulary and Verb TensesOther quiz:
Grammar › ViewWhen I…………a child I …………..watch a lot of cartoons.
A. am,would
B. was,used
C. was,used to
Grammar › View
What is the predicate of this sentence:
Hawks eat mice and other pests.
A. Hawks
B. eat mice and other pests
C. eat mice
Grammar › View_______ is painting the picture?
A. Who
B. What
C. Where
D. When
Countable & Uncountable Nouns › View
My shirt is dry now. Have you got ___ iron?
A. a
B. an
C. some
