根据句意，用括号中所给词的正确形式填空，每空填一词。
At the very beginning of the new term, each student had to give a short __________(speak) to introduce himself to his new classmates.
My cousin likes reading. He is thought to be a boy of __________(wise).
All the teachers in the school are trying to make their lesson_________(live) and interesting.
When we’re working on our problems, we had better stay _______ (wake), especially when we have exams.
The students are working in pairs of four to enjoy the natural beauty in _______ (silent) now, then they’ll talk about how to write about it.