The policeman kept his eyes________ on the screen of the computer to identify the criminal’s footprints.
                    举一反三
- The policeman kept his eyes _____ on the screen of the computer to identify the criminal,footprints. A: fixed B: fixing C: being fixed D: to fix
 - 1.In his mine, he can imagine theeffect he’s having. A: In his mind’s eye B: In his mind’s eyes C: On his mind’s eye D: On his mind’s eyes
 - Bob like playing computer games because it was intereting and kept his mind busy._
 - 1. The policeman advised the criminal to interact ________ the police.
 - The policeman kept the thief ________ for four hours.
 
