____ new study says that going to___bed late is harmful to our health．（　　）

﹣Simon always reads for half an hour before bedtime every day．

﹣That's a good ． Reading makes a full man．（　　）

一﹣Why don't you get yourself a job？

一﹣That's_____said than done．（　　）

﹣﹣ Dad， about ________ of our classmates wear glasses．

﹣﹣ Oh， that's terrible． You all should take good care of your eyes．（　　）

You will still miss the flight____you catch a Didi car．（　　）