1 . Seeing the snake winding around the branch, I felt a bit ______ (scary) and ran away. (所给词的适当形式填空)

2 . Can you give a more ______ (precisely) definition of the English word? (所给词的适当形式填空)

3 . Based on scientific research,the report is ______(rely) and convincing. (所给词的适当形式填空)

4 . People were ______ (astonish) to learn the news that the famous musician passed away. (所给词的适当形式填空)

5 . On National Day,the streets were ______(crowd) with a large number of people. (所给词的适当形式填空)

6 . ______ (initial), she believed him, but gradually, she found him dishonest. (所给词的适当形式填空)

7 . When I was young, I had to move ______ (frequent) with my family. (所给词的适当形式填空)

8 . It’s been ________ (scientific) proven that secondhand smoke is extremely dangerous. (所给词的适当形式填空)

9 . He found his pen ________ (break) when he got back to the classroom from the playground.(所给词的适当形式填空)

10 . The species has nearly died ________ because human beings have done harm to them. (用适当的词填空)