Only when _______ 30 years old ______ to learn English.
A.was he; did he begin | B.he was; he began | C.he was; did he begin | D.was he; he began |
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Only when _______ 30 years old ______ to learn English.
A.was he; did he begin | B.he was; he began | C.he was; did he begin | D.was he; he began |