Answer: B) Can I borrow yours?
Explanation for this question is being written.
Answer: A) Could I see the dessert menu, please?
Answer: A) Can
Answer: A) Can, can't, can.
Answer: B) Can
Answer: C) I was wondering if I could borrow your textbook for the weekend?
Answer: B) Could
Answer: A) Can I.
Answer: B) Can't
Answer: D) Must
Answer: B) False
Answer: A) Turn up.
Answer: A) Phone
Answer: A) Could
Answer: C) Can
Answer: C) If you could.
Answer: C) Willingly
Answer: A) Permission
Answer: D) Can
Answer: C) Can wear.
Answer: D) Permission
Answer: B) May you.
Answer: A) Can you buy me some cola?
Answer: A) Can't
Answer: A) Can you open the window.
Answer: C) No, outside food is not allowed.
Answer: A) Can asks informal permission; could and may ask polite permission; would is common for polite offers/invitations.
Answer: C) Both can be used.
Answer: C) Is allowed.
Answer: D) Can you turn on the fan, please?
Answer: A) Can you ? Will you ? Could you ? Would you ?
Answer: C) Can't
Answer: A) CAN
Answer: A) I'd appreciate it if you could dress professionally.
Answer: B) Could, may.
Answer: B) Yes