—You didn't wait for Mr. Smith last night, did you?
—Yes, but we ________. He didn't return home at all.

----You didn’t wait for Mr. Smith last night, did you?
-----Yes, but we           . He didn’t return home at all.

----You didn’t wait for Mr. Smith last night, did you?

-----Yes, but we           . He didn’t return home at all.

A．don’t have to     B．didn’t need to     C．needn’t have     D．should have

—You didn't wait for Mr. Smith last night, did you?

—Yes, but we ________. He didn't return home at all.

—You didn’t wait for Mr. Smith last night, did you?

—Yes, but we ____. He didn’t return home at all.

A. don’t have to　 B. needn’t have C. didn’t need to　 D. should have

---You didn't wait for Mr. Smith last night, did you?

---=Yes, but we ______. He didn't return home at all.

1. A.
   don't have to
2. B.
   needn't have
3. C.
   didn't need to
4. D.
   should have

—You didn’t wait for Mr. Smith last night , did you ?

    —Yes, but we         . He didn’t return home at all .

       A．don’t have to   B．needn’t have    C．didn’t need to D．should have

34．—You didn’t wait for Mr. Smith last night, did you?

    —Yes, but we___________. He didn’t return home at all.

       A．don’t have to           B．needn’t have            C．didn’t need to          D．should have

―You didn’t wait for Mr. Smith last night, did you?

―Yes, but we          . He didn’t return home at all.

       A．don’t have to       B．needn’t have        C．didn’t need to      D．should have

—You didn’t wait for Mr. Smith last night, did you?

—Yes, but we          . He didn’t return home at all.

A．don’t have to             B．needn’t have            C．didn’t need to             D．should have