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).
