With April 18’s railway speedup, highway and air transport will have to compete with ________ service for passengers. 

Your letter will get       attention! They know you’re expecting the answer.

The work was difficult, but Tom’s ____expression showed that he would finish it in time.

America is a(n) ___ country.You can hear___everywhere.

Now that there is much difficulty in finding a satisfying job, why don’t you do a ______ job to support you for the time being?