在下面一段话空缺处填入词语，最恰当的一组是拥有 文化知识、深厚艺术造诣的傅雷， 地注视着儿子成长中每一次的生命律动， 预想他们在要走的道路上会遇到的各种情景，并设计各种方案，完成了充满着父爱的《傅雷家书》。

Studies show that people are more __________ to suffer from back problems if they always sit before computer screens for long hours.

I think Li Ming’s father is strict_____ him.

－I thinkexercising every morning is good for our health.－Yes. I agree you.

I think I won’t pass the exam, and my parents will beangry with me. —_____________. You have tried your best.