问题
选择题
----Carol Walker didn’t turn up last time ,did she ?
----No .She _______.We had changed our plan .
A．shouldn’t have come
B．needn’t have to come
C．didn’t need to come
D．needn’t have come
答案
答案：C
C.实际上没必要，也没来。 D.本不必来，但来了。