25. I ______ have been more than six years old when the accident happened. 
#90505
A
shouldn’t
B
couldn’t
C
mustn’t
D
needn’t
推荐题目
— Thank God! The accident was avoided after all.—That was lucky, but ten inches nearer the two cars _________?
#86562
A
was destroyed
B
would be destroyed
C
would have been destroyed
D
had been destroyed
The doctors insisted that the patient was in danger, and that he __________on immediately.
#87524
A
was operated
B
be operated
C
should operate
D
operated
How lucky he was! He ____ involved in the murder.
#86955
A
must have been
B
can have been
C
could have been
D
would have been