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-You may find the key to the math problem on page 107． -Ah, it's so simple. I wo

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-You may find the key to the math problem on page 107． -Ah, it's so simple. I wo

—You may find the key to the math problem on page 107．

—Ah, it's so simple. I wonder why I _____ of that．

A．hadn’t thought    B．haven't thought     C．didn't think        D．wasn'tthinking

 

试题答案

【答案】

C

【解析】

试题

标签：pageonproblemitah

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