1．Whether the students should bring smartphones to school is hotly ________ (讨论).
答案：debated
2．The disappearance of ________ (恐龙) 65 million years ago isn't a mystery now.
答案：dinosaurs
3．I don't want to ________ (争议，争论) with you—just do it!
答案：argue
4．I'm proud of having a group of highly ________ (聪明的) students.
答案：intelligent
5．The audience threw flowers onto the ________ (舞台)．
答案：stage
6．The teachers and the students are sharing their opinions on different t________， including homework and tests.
答案：topics
7．The rock b________ are usually very popular among young people.
答案：bands
