―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