根据句意及所给中英文或首字母提示，写出句中所缺单词。

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).