We should encourage our students ________ hard instead of ________ too much time playing games.
--- They have never seen the film, they? --- Yes, they have.
--- How many books does the little boy have? ---He has books.
It me half an hour to finish the work.
--- Do you feel when you are at home , Mike? --- Yes, a little.
---How about the ice cream, Tom? ---It is . I enjoy it very much.