You should put "they", "he", or "she", in front of the word stretching to make it third person.
1.) They were stretching.
2.) He was/ is stretching.
3.) She was/is stretching.
Hope that helps.
B.Human beings due to our features of evolution and our knowledge
I don’t know what that means???
Answer:
I don't understand this language so I wont be able to help iam so sorry