Remember, /ʊ/ is a relaxed sound, with the lips almost neutral, just very slightly rounded. By contrast /u/ is a tense sound. The lips are rounded and tense.

Practice Dialogues

1. a. Will you start to cook soon?
   b. No, I am still too full to think of food.


2. a. Who took my cookie?
   b. Don’t look at me.
   
   
3. a. You should have had some soup. It’s so good.
   b. No thanks, I’m really full.
   
   
4. a. He’s foolish to walk in the woods by himself.
   b. Yes. There are a lot of wolves in those woods.
   a. I think that wolves howl when the moon is full.
   b. Is that really true?
   
   
5. a. Do you like my new boots?
   b. Yes, they’re cool.
   a. And take a look at my blue suit. It’s made of wool.
   b. To tell you the truth, I wouldn’t wear the blue suit if I were you.
   a. Don’t you think it looks good on me?
   b. I think you should return it.
   a. And I think you shouldn’t be so rude!