Jim is so careless. He my glasses and pens the floor when he walked past my desk just now.
--- Our country ______ a lot so far . --- Yes. I hope it will be even ______ .
--- Which city has ________ population, Shanghai, Hong Kong or Qingdao? --- Shanghai, of course.
---you your homework yet? --- Yes. I it a moment ago.
--- Could you go to the park with me this afternoon? --- Sorry, I _______ there. I went there yesterday.
--- Have you washed your clothes ______? --- No, I haven’t. But I have cleaned the room _______.