—Mom, shall we have supper now?

—Oh, we won’t have supper ______ your dad comes back.

A. until            B. since            C. while            D. after

—Mom, shall we have supper now?

—Oh, we won’t have supper ______ your dad comes back.

A. until 　　　　　 　 B. since 　　　　　 　 C. while 　　　　　 D. after

---Mom, shall we have supper now?
---Oh, we won’t have supper ______ your dad comes back.

1. A.
   until
2. B.
   since
3. C.
   while
4. D.
   after

- Mom, shall we have dinner now?
- No, we don’t have dinner _____ your father comes back.