The shop owner weled all the guests with a smile.
A. practice
B. practise
C. practical
D. practiced
网友回答
A. practice
B. practise
C. practical
(答案→)D. practiced
解析：词意辨析。Practice练习，实践；practise练习，实践；practical实际的；practiced熟练的，老练的。句意：这个商店的老板带着老练的微笑欢迎顾客们。故选D。