用所给单词的适当形式填空。
小题1:It was really an (pleasant) trip. I felt sick from morning to evening.
小题2:Little Tom is not good at hiding his (feel).
小题3:The tower has stood on top of the hill for five (century).
小题4:---Turn off the radio, dear. Baby is sleeping.--- There is no need．He____________ (wake)up.
小题5:His father ____________(teach) at this school since ten years ago.