---Did you notice someone enter the classroom just now?---Sorry, I didn’t. I _____ my lessons at that time.
--- This dress was last year's style.--- I think it still looks perfect ________ it has gone out this year.
Tom has been here ________just one year, but his father has worked here________ ten years ago.
--- 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.