—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 |
推荐套卷
—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 |