When we plan our vacation , mother often offers suggestions.
A. careful
B. practical
C. concerned
D. promising
网友回答
A. careful
(答案→)B. practical
C. concerned
D. promising
解析:形容词义辨析题。A.careful 仔细的 B. practical 实用的C. concerned 有关的 D. promising 有前途的句意:当我们计划假期时妈妈总会提供实用的建议。根据语境选B