Zhanglin was lost in computer games during his last year in high school, otherwise he _____ a student at Beijing University. 
#86640
A
would have been
B
can be
C
has been
D
had been
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---I’m sorry. I _________ at you the other day.---Forget it. It was a bit out of control myself.
#86373
A
shouldn’t shout
B
shouldn’t have shouted
C
mustn’t shout
D
mustn’t have shouted
--- How much shall I pay for the phone call? --- You ________. This is free of charge. 
#87096
A
shouldn’t
B
can’t
C
don’t have to
D
mustn’t
His failure in the exam suggested that he __________ the teacher’s instructions.
#89495
A
can’t have followed
B
needn’t have followed
C
mustn’t have followed
D
shouldn’t have followed