A:①④
B:①③
C:②③
D:②④
①麻木不仁____
(A 无动于衷
B 漠不关心
C 不以为然)
②不足为道____
(A 不屑一顾
B 不足为训
C 不足挂齿)
Will they go dancing next Sunday? (否定回答)
____, they____.