8. When I arrived at the school this morning, I saw the students _______(salute) the national flag in line.

7. _______(reward) for behaving well, the children are now working harder than before.

6. Gabby was intending to read his textbook, suddenly _______(realize) he left his schoolbag behind. 　

5. The suspect admitted illegally________ a handgun.

4. I seem _________ (delete) a file by mistake because I can’t find it any more.　

3. The position of the body led the police __________ murder.

2. While I was giving my report, some guy in the back kept ________(interrupt) me every two minute.

1. A tiny baby soon learns ________(distinguish) its mother's face from other adults' faces.

10. You should phone his secretary if you want to make an a__________.

9. It was hot, and we decided to walk in the __________(阴影)of the wall.