用所给单词的适当形式填空。
It was really an 　　　　　 (pleasant) trip. I felt sick from morning to evening.
Little Tom is not good at hiding his 　　　　　 (feel).
The tower has stood on top of the hill for five 　　　　　 (century).
---Turn off the radio, dear. Baby is sleeping.--- There is no need．He____________ (wake)up.
His father ____________(teach) at this school since ten years ago.