题目内容:
Nancy′ s gone to work but her car′ s still there. She __________ by bus.
A.must have gone
B.should have gone
C.ought to have gone
D.could have gone
参考答案:
答案解析:
Nancy′ s gone to work but her car′ s still there. She __________ by bus.
A.must have gone
B.should have gone
C.ought to have gone
D.could have gone