21.by a desire to learn he was not interested in children’s play and adventure when he wa

问题补充：

21.by a desire to learn, he was not interested in children’s play and adventure when he was young.

A. Driven

B. Driving

C. To drive

D. To be drive

答案：

(答案→)A. Driven

B. Driving

C. To drive

D. To be drive

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