构造形迹
参考答案：
地壳的岩层、岩块中的褶皱、节理、断层等各种地质现象，称为构造形迹
根据首字母提示完成单词 。
1. Dave has worked for 6 hours, so now he is very s .
2. The o day, he bought a present for me.
3. They aren't s enough at that age.
4. He often s___ up reading until midnight.
5. Do you like your school u____?
