Only when _______ 30 years old ______ to learn English.A．was he; did he beginB．h_刷题宝

题干

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

上一题下一题 0.4难度单项选择更新时间:2011-12-09 11:37:36

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