1.The glass is very hot.Tell the children not to t(outh) it.
2.Everyone is here.Let's s(tart) our work at once.
3.His father is very b(usy) man.He always has a lot of work to do.
4.D(ecember) 25 is chirstmas Day.
5.Wang Tao didn't go to school b(ecause) he was ill.