( ) 1. I'm going to the USA by plane.
( ) 2. They're going to the park by ship.
( ) 3. She is going home by subway.
( ) 4. She is going to school by bike.
( ) 5. He is going to work by bus.
( ) 6. Mike is going to take a trip by train.1. C 2. F 3. E 4. D 5. B 6. A