Is there any words and or sentences to use in order to fill in the blank?
Because this could be the sentence, I don't like being talked about behind my back.
Answer:
Of the following sentences which come closest to stating the main ideas in this paragraph are:
That makes walking a simple activity for those new to exercise.
Walking is less likely than other exercises to cause injury to leg tendons and muscles.
The paragraph inserts the points about the benefits of walking and being the simple exercise.
It emphasizes walking being the simplest activity and harmless. Further, through its main points, it inserts that the people new to exercise can adapt to it easily without causing any kind of injury to themselves.
Explanation:
The order of this sentence is inverted.
Inversion means that the order of subject and verb is reversed, meaning that the verb is located before the subject in a sentence, which is clearly the case here.
Natural order would mean that the subject comes first, declarative and imperative are not orders of the sentence but rather types of sentences.
