His suggestion is good in but can’t be put into practice.A. theoryB. shortC. generalD. br

问题补充：

His suggestion is good in but can’t be put into practice.

A. theory

B. short

C. general

D. brief

答案：

(答案→)A. theory

B. short

C. general

D. brief

解析：考查短语辨析。in theory理论上；in short简言之；in general总体上；in brief简而言之。句意：他的建议理论上是好的，但不能付诸实践。put ...into practice实施。故选A。