A.The concert was really a time-wasting one. B.The concert tickets could be booked online. C.There were not enough chairs for people to sit on. D.There were too many people lining up for the tickets.
A.The concert was really a time-wasting one.
B.The concert tickets could be booked online.
C.There were not enough chairs for people to sit on.
D.There were too many people lining up for the tickets.