1 . Peter         too far. His coffee is still warm.

A．mustn't have done	B．might have gone
C．can't have gone	D．needn't have gone

2 . ---I think you ______ there in person; a phone call would have been fine.
---It’s OK and I was so glad to have seen your mum.

A．couldn’t have been	B．shouldn’t be
C．needn’t have been	D．wouldn’t be

3 . I had eaten Chinese food often, but I ____________ how fabulous a real Chinese banquet could be.

A．could not have imagined	B．would not imagine
C．should have imagined	D．might imagine