1. He was rolling(滚动) a pencil between his fingers.
2. The countryside was dotted (遍布)with small villages.
3. She greeted(迎接) us with a smile.
4. It is a local custom(风俗习惯).
5. I roared(咆哮) loudly in the quiet of the classroom.
6. This is one of the most striking(显著的)findings in the report.