昨天你为什么缺席会议了?
Why were you the meeting yesterday?
Cells are the and most basic units of living matter. (small)
Modem Chinese Art (it)needs new works to keep it alive and moving forward.
The world is changing , and we should keep up with the pace of change. (rapid)
Dickin son's poems are very popular with even today. (read)
All of us should look straight ahead and keep . (run)