The fact that smoking is harmful to health is__________ most smokers admit.
---Could you please give the dictionary to Wang Feng?---Yes, of course! I’ll give it to him ________ he comes back.
---Would you mind ______ next to you? --- ____________.
---I don’t think Lily can sing _______ Lucy.---I disagree. I think Lily can sing ______ Lucy.
---____ skirt is blue.____ is red. Which of them do you prefer?---______ is OK. I like their styles.