想聊就聊-2.03.2评论演唱

M: The concert was really great.

W: I agree.

M: The singing group used¹ to be very popular.

W: I can't believe they would play so great.

1 used   

adj.用旧了的，旧的；习惯于…；过去惯/经常

参考例句：

• I used to work until nearly 6:00 o'clock each day.我过去常常工作到6:00左右。
• He used to walk anywhere from two to five miles an hour.他过去经常一小时走二至五英里。