Choose whether the following requests are less formal or more formal.

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!

Can I borrow your pencil?
I wonder if I could borrow some money?
Is it OK if I use your mobile phone?
Do you mind if I use your CD burner?
Would you mind letting me use your laptop?
I was wondering if you'd mind lending me your car?
Could you lend me your jacket?