题目内容：

根据首字母及汉语提示拼写单词或在空白处填入一个合适的词

1.He was sent on a m__________(任务) to North America.

2.You must not s__________(牺牲，舍弃) studies for pleasure.

3.The books in the library are c__________ (分类) according to subjects.

4.John was arrested for s__________ (庇护，窝藏) enemy soldiers.

5.I admire her d__________ (决心) to get it right.

6.He writes e__________ (专门地) for China Daily.

7.We will be exploring different a__________ (方法) to gathering information.

8.I p__________ (恐慌) when I saw smoke coming out of the engine.

9.He was the first to pose an a__________ (可供选择的) concept of the world.

10.It is i__________ (不合适的，不恰当的) for parents to put too heavy duties on their children.

11.Do not follow __________ the path may lead.

12.She resigned __________ the government last week.

13.He did not let anger take hold __________ him.

14.The sun is the center of our solar system and, in ________way, it is our anchor.

15.They thanked Tom, without __________ support they would not have succeeded.