______ for something, a receipt is given to you.

______ for something, a receipt is given to you

1. A.
   Paying
2. B.
   Having paid
3. C.
   When you have paid
4. D.
   To be paying

______ for something, a receipt is given to you.

A. Paying       B. Having paid

C. When you have paid  D. To be paying

______ for something, a receipt is given to you.

---Do you still have the receipt, madam?

---No．I’m afraid I’ve ________．

1. A.
   torn it off
2. B.
   torn it down
3. C.
   torn it up
4. D.
   torn it away