---Are the Smiths living in the house alone ?--- Yes, although they have three sons, _____ of them live with their parents.
---Tommy, do you know if Frank ______ to the theatre with us this Sunday if it ______? ----Sorry, I have no idea.
—Look! Do you know ______man under the tree?--Sorry .It’s too far to see ______clearly.
--Which do you prefer, tea or coffee?-- __________is OK.I don’t care.
Just before the Chinese class, I suddenly realized that I forgot _______ my Chinese text book.
We need to come up with a/an________and make a decision at once.