---Must I wait for you here now?

---No, you ______. You may be back in half an hour.

1. A.
   don't have to
2. B.
   mustn't
3. C.
   can't
4. D.
   shouldn't

------Must I wait for you here now ?

----No, you_______, You may be back in half an hour .

A. don’t have to    B. mustn’t    C. can’t    D. shouldn’t

?Must I wait for you here now？

?No, you ________. You may be back in half an hour.

A. don't have to

B. mustn't

C. can't

D. shouldn't