让别人等太久是不礼貌的.
It is to keep others for a long time.
Lucy looks thin but is in fact.(精力充沛)
Boys and girls,help to some candies.(you)
He (play) computer games when suddenly there was a big noise outside.
We need to have more fruit and (蔬菜) every day.
Every baby as the apple of the parents' eyes.(regard)