－Is John coming by train?－He __________, but he can’t. All the trains have been cancelled because of the snow.

一I still cannot figure out why he missed his flight．一He       an accident on the way to the airport．

 --How do you find the health club? -- I ______. Everyone is saying its management is going from bad to worse. 

Where have you been ?— I_______in the heavy traffic .Otherwise I_______ here earlier.

Robert Collier once said, “A single idea---the sudden flash of a thought --- __________be worth a million dollars.”