1.electric、electrical和electricity
a. is a major kind of power we use in our daily life.
b.My brother graduated from Peking University majoring in engineering.
c.Could you plug in the kettle,please?
答案:a.Electricity;b.electrical;c.electric
2.practice、practise和practical
a.If you want to make progress,you should do more .
b.I spent two hours drawing during the holidays.
c.When you come across the problems,come to ask me.
答案:a.practice;b.practising/practicing;c.practical
3.value和valuable
a.Most parents know the of good education.
b.We can get information on the Internet.
答案:a.value;b.valuable
