请根据句子的意思和汉语提示完成下列句子，每空只填一个单词。

1.She is not very o_______ about the outcome of the talks.

2.The plan will be submitted to the committee for official a_______.

3.We regret this service is t_______ unavailable and we will see to it as soon as possible.

4.The writer is guilty of discrimination and _______ (accurate) in his article.

5.Please keep me fully _______ (inform) of any change of the situation.

6.Jack is an intelligent student, but he lacks _______ (动机，动力).

7.The tourist industry plays a v_______ (重要的) role in the national economy.

8.She has been d_______ (故意地) ignoring him all day.

9.Teamwork is a key f_______ (特点，特色) of the training program.

10.His p_______ (建议) that the system should be changed was rejected.