Ok so I believe that skimming is just quickly reading through the passage to look for keywords through the text to get the general overview....but previewing is getting an idea of what the text is abt withought reading the main body of it. Hope this helps!
Answer:
Soccer is a sport known world wide, with many admirers across the globe. The game includes loads of physical contact.
Answer:
I am late, aren't I ?
Explanation:
The negative question tag for "am" is "aren't"!
Therefore, the sentence will be;
I am late, aren't I ?
