1. The patients are very_______(感激的) to the doctors and the nurses..
2. — What colour do you like best?  — Red. It is the colour of _______(热) and srong feelings.
3. President Hu Jintao has met with many ________(领导人) from all over the world during the
    Beijing Olympic Games.
4. I have got a toothache, so I have to see a d________.
5. Tom is in a bad m_______and he didn't talk to anybody all day.
6. I can't _______(have enough money to buy or to do something) to go to school this term.
7. Colour can make us feel _______(in need of sleep).

A: Good morning! Can I 1._____  you?
B: Yes, please. I'd like to buy a pair of leather tennis shoes.
A: What colour do you want?
B: I can't decide.
A: Er...We have two colout, Which one do you like better?
B: I think I 2._____ white to black.
A: What size shoes do you wear? B:Size 37. A:How about this pair?
B: They look nice and soft. May I try them 3._____ ?
A: Certainly.
B: Oh,I'm afraid they're a little 4._____ for me.
A: Here's another pair in Size 38.What do you think of them?
B: Oh,good. They're big enough. How much are they?
A: Two hundred and eighty yuan.
B: They're too dear.
A: Maybe. But good things always 5._____ much.
B: OK.I'll take them.