Hasn’t the $10 you lent me________？

A．been paid back                                  B．paid for

C．paid off                                            D．been paid for

---Hasn't Betty come yet?

---No, and I _______for her for nearly 2 hours.

1. A.
   wait
2. B.
   waited
3. C.
   have waited
4. D.
   had waited

—Hasn't Betty come yet?

—No, and I ____ for her for nearly 2 hours.

A. wait                 B. waited                     C. have waited             D. had waited