Juan Martin Del Potro has played tennis
A. the age of three
B. since the age of three
C. for the age of three

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Sentence Structure and Verb TensesTenses and QuestionsCompound AdjectivesPronounsRelative ClausesFuture Time and TensesModalVerb & GrammarTransitionsSimple Present Tense with Adverb of FrequencyOther quiz:
Present and Past Simple Tense › ViewThey _______ Chinese but they _______ Thai.
A. don’t speak / don’t speak
B. speak / speak
C. are no speak / speak
D. don’t speak / speak
Tenses › View
I ___ a big cake for my birthday last year.
A. bakes
B. bake
C. baked
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A. memorial
B. restless
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Grammar › View
What is the predicate of this sentence?: The little puppy barked all night long downstairs.
A. The little puppy
B. downstairs
C. barked all night long