题目内容：

请根据首字母提示及所给汉语意思，在空格处填入该单词的正确形式(请填写完整的单词).

1.You can make your sentence more easily understood by s______(缩短) it.

2.Don't b_____ (麻烦) to fetch me the book and I can manage it myself.

3.You can not leave your seat unless you are p______(允许).

4.Some people hold the view that there should be a sense of c______(仪式) in everyday life.

5.What was the r______(反应) of the public when the president said that?

6.Your mother is so a______(焦虑) about you that she has been waiting for you for a whole day.

7.No matter how busy he is, he visits his parents f_______(时常) at weekends.

8.It was just an o_______(平常的) weekend and nothing special happened.

9.Where do the persons come from s________(调查) by our company?

10.What I need is not the highest or the lowest price but the a________ (平均的) one.