_______ he was 12, Einstein had learned advanced mathematics by himself.A．As soo_刷题宝

题干

_______ he was 12, Einstein had learned advanced mathematics by himself.

A．As soon as

B．At the time

C．By the time

D．During the time

上一题下一题 0.64难度单项选择更新时间:2013-10-31 07:10:43

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