Modern language of America?
The correct subordinating conjunction is "yet" and the sentence is completed as follows:
Mandy practiced karate every day, yet she failed to beat her final opponent.
The word "yet" is a subordinating conjunction that means "nevertheless" or "however", it is associated with negative statements in order to mention that an event did not take place.
In this sentence, it explains that even though Mandy had practiced she did not beat her opponent.
1. No do not borrow because that is an item you want but don’t need
2. Yes would borrow because reliable transportation is something you need for work
3. No would not borrow because you do not need a brand new pair of shoes you seen
4. No would not borrow because you do not need a skateboard