go on doing/to do
　　
go on to do　做了一件事后，接着做另一件事。
go on doing　 继续做原来做的事。
　　
After he had finished his math，he went on to do his physics.
做完数学后，他接着去做物理。
　　
Go on doing the other exercise after you have finished this one.
作完这个练习后，接着做其它的练习