5
1- I visited china and went to china wall and about that I remember the nature of there and foods, and the people how which communicated with them , my friends.
2-Ancient China was one of the longest-lasting civilizations in the world, and it traces back over 4,000 years. It is well-known for creating the Great Wall, which kept outside invaders like the Mongols at bay.
6-the work they did
Answer:
Children is the subject of the sentence.
Explanation:
The children are the subject of this sentence, they are doing an action. The children do two actions, the children<em> ran</em> and the children <em>sat</em>.
I may not have understood correctly what the question is asking, so I hope this helps anyway.