题目

 David jumped _____ to get the first ______ the beginning of the sports. 　 A. enough high; in 　 B. enough highly; in 　 C. high enough; at 　 D. highly enough; at 答案： C 解析: enough 是副词，那么当它修饰其它词类时，应该放在被修饰词的后面；在什么的开头，介词用at。

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