根据下列句子及所给单词的首字母，在答题卷上按题号写出各单词的完全形式（每空限填一词）。

小题1:My grandfather likes to water the f______ in the garden on weekends.

小题2:The boy is too young. So don’t leave him a______ at home.

小题3:If I don’t help my mom do some h______ on weekends, my mother will be very angry with me.

小题4:Last night I didn’t go to bed u______ the TV program was over.

小题5:Last Sunday I w______ a letter to my father.

小题6:I need to look smart for my job i______.

小题7:He f______ his test last week. He should study hard.

小题8:He m______ his teacher in the street yesterday.

小题9:When the little girl saw the big tiger, she felt very s______.

小题10:Last week, I p______ 500 yuan for my new bike.

下列属于具有说服力意义的法的渊源有()。

A．民法法系国家的判例

B．普通法法系国家的制定法

C．习惯法

D．法理