[ 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 & Vocabulary › ViewTwo years ago, I ____ my first sushi and I _____ the taste: it was too salty!
A. tried/liked
B. tried/didn’t like
Grammar › View
____ that I am driving, I’ll decide where we are going.
A. Because
B. As
C. Seeing
D. See
Mary 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
