—What do you think makes a good doctor?—As doctors, they can’t be ________ careful. They must have perfect medical skills.
--Would you please tell me __________________? -- At 10:00 this evening. A. when will the train leave B. when the train will leave C. when does the train leave
Last month a new law _______in China to stop people from smoking in public places. A. is passed B. passes C. was passed
Usually, we don`t know how important something is _____ we lose it. A. or B. until C. as soon as
Father often tells me ______ too much time on computer games. A. don`t spend B. not spend C. not to spend
-- Did you see a girl in red passing by just now? -- No, sir. I _____a newspaper. A. read B. am reading C. was reading.