[ Perfect Tenses ]
Hari started learning to play chess when he was only five years old and won his first national chess competition when he was ten.
This means that Hari … to play chess very well by the time he was ten years old.
A. had learned
B. will have learned
C. has learned

Random Topics:
Past Tense and Past ContinuousGrammar PhrasesNoun Verb AgreementModals: Possibility, Necessity, ExpectationVerb TenseVocabulary and PhrasesPast and Present ContinuousZero and First ConditionalsGrammar and VocabulariesVocabulary and GrammarOther quiz:
Grammar, Conditional Sentences, Vocabulary › ViewMy sister ______ to Paris and shopped extravagantly if she had the means to do so.
A. gone
B. would have gone
C. went
D. goes
Vocabulary › View
a competition with games between teams or players, with one winner at the end
A. host
B. tournament
C. encourage
D. prize
Adverbs of Frequency › ViewMary failed only one test in high school. She ——— passed her tests
A. Always
B. Almost always
C. Never
D. Sometimes
Modals of Advisability › View
They _____ apologize for their mistake.
A. ought to
B. had better
C. must
D. could
