While the soldier’s idea was interesting, the system was too difficult to be .A. of practi

发布时间：2020-08-16 21:00:51

While the soldier’s idea was interesting, the system was too difficult to be     .
A. of practical use
B. practical usefully
C. practice use
D. practice used

网友回答

(答案→)A. of practical use
B. practical usefully
C. practice use
D. practice used
解析：考查use的形容词性的用法，根据句子结构可知此处填的应当是形容词，或者名词，即practically useful,= of practical use
以上问题属网友观点，不代表本站立场，仅供参考！