根据句意及汉语提示，在下列各句空缺处写出各单词的正确形式。

1. Thank you for giving me some useful                (建议).

2. Do you think Tom is a                (勤奋的) student?

3. It seems                  (不公平的) on him to make him pay for everything.

4. The birthday present he sent me is very                 (珍贵的).

5. She seemed to be                 (相当) surprised at what he said.

6. It is a pity that there is nothing ___________ in the cupboard. (剩下).

7. His words yesterday ___________ (使想起) me of my school life.