Though he is 10 years old, he doesnt know that 2 by 4 makes 8.A. multiplying B. is multiplyingC. mul

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【题目】Though he is 10 years old, he doesnt know that 2 ______ by 4 makes 8.

A. multiplying B. is multiplying

C. multiplied D. is multiplied

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【答案】C

【解析】

试题分析：考查被动。句意：虽然他只有10岁，但是她直到2乘4等于8。这里是2是被动，故选C。