21. I don’t know why he is late. Nor do I. He _____ an accident.
A. could have had
B. should have had
C. might have had
D. must have had
(责任编辑:admin) |
21. I don’t know why he is late. Nor do I. He _____ an accident.
A. could have had
B. should have had
C. might have had
D. must have had
(责任编辑:admin) |