题目内容：

根据下列各句句意和空白之后的汉语提示词，在横线上写出对应单词的正确、完整形式，每空只写一词。

1.Whenever I succeed in working out difficult exercises, I will have a sense of ________(成就).

2.He has a good knowledge of painting, and we find that he is an ___________(专家) in it.

3.After looking into the accident thoroughly, police drew a _______(结论).

4.When I saw him last time, I found him _______(全神贯注) in his study.

5.It is said that he ________(参加) an important meeting last week.

6.I talked to her __________(小心，谨慎地) so as not to hurt her yesterday.

7.As we all know, Chinese people is a great people(民族), which ________（组成) of 56 peoples.

8.There were many natioal heros ______________(贯穿) our history.

9.It was not her fault, and we should not ________(责备) her.

10.One way to improve our study is to review our ___________(先前的) teaching contents now and then.