Don't today's work for tomorrow.Today's work must be done today.( )
A.put upB.put outC.put offD.give up
Don't eat too much junk food because it's (healthy).
Helen enjoys (listen) to soft music when she is tired.
We should speak to the old people (polite).
They came up a good idea to keep their classroom clean and tidy.
Changbai Mountain in Jilin Province is a good place to fun.