It's a general rule to keep q in libraries and concerts．
We may meet difficulties in life； （luck），there are always some kind people offering us help．
U the Monkey King can hide his tail，he can't turn himself into a man．
All of us are looking forward to （win）the volleyball match in Hong Kong．
It is （难以置信的）that AI has progressed in such a rapid way in the past few years．
You should get your parents' （agree）before you leave for London．