The _____ boy never dares to see the ____ film again.

We have to destroy a lot of fields to set up this project.—Such is the case. However, this project will be of great advantage to the area _____.

book is ______ more useful for usstudents” “Yes, but it is _______ too difficult”

Gaining the knowledge ________ environmentalprotection will help you to become a qualified environmentalist.

The underlined part in the word “needed” ispronounced as ________.