根据句意及汉语意思填写单词。
______（最后）, they decide to ask the policeman for help.
There are sixty _______（分钟）in an hour.
The story is ______（有趣的）and easy to understand.
My son likes playing the _______（钢琴） very much.
My mother isn’t a teacher, your mother isn’t a teacher, ________.(也)