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

正确答案是：

同类题型

______ abroad for more than two years, he returned to his hometown.

y, let’s go for dinner ——Idon’t have to cook

In the piano contest, my brother didn’t play well and I did __________.

I wonder whether the teacher is one of those who_______ to the mountain village to help the children there

Lin Tao is good at allthe subjects at school, ___________ English.