The policeman kept his eyes ______ on the screen of the computer to identify the criminal’s footprints.

(单选题)If you do not go, ______. (单选题)—Which do you prefer, coffee or tea?—Coffee. I ______ coffee (单选题)Look! ______ is wrong with the watch. It still works. (单选题)—Did Alice tell you ______ to get to the station?—Yes, she s (单选题)She ______ be slow, but at least she doesn’t make stupid mis (单选题)—______ is it from the park to Nanjing Road?—About 10 minute (单选题)Scared by the loud noise, the rabbits ran off ______ all dir (单选题)What is the benefit of using computers in health care? (单选题)According to the passage, the application of computers invol (单选题)In Paragraph 3, information is communicated between the X-ra