When paying for a taxi, he never looks a
问题:
When paying for a taxi, he never looks at his wallet –just takes out one note ____ and hands it over.
A.by accident
B.on occasion
C.at random
D.on average
When paying for a taxi, he never looks at his wallet –just takes out one note ____ and hands it over.
A.by accident
B.on occasion
C.at random
D.on average