He used this discovery to ________ a machine for making electricity. Faraday also showed how electricity affects chemical ubstances.

Before selecting the curtain for your newly-decorated house，it’s important to know what colors look great _______ the wall paper

Don’t be too strict with him. ___________, he is only a child.

The new storybook is written in ____ easy English ____ beginners can understand it [ ]

He is such a strong-willed person thatthere is nothing in the world that can _____ him.