Extremely  ……极了  

    极了 is usually attached to a verb or an adjective and used at the end of a sentence to express “extreme”. It is often used I colloquial Chinese.

                        Subj. + VP / AP + 极了

Examples:
1. 他们在中国的生意成功极了。
Their business in China has been extremely successful.
2. 史密斯总裁对我们的合作满意极了。
CEO Smith is extremely satisfied with our cooperation.

Substitutive drills: