（2012，重庆高考，25）—________you interrupt now? Can’t you see I’m on the phone? —Sorry Sir，but it’s urgent．",
If I ________ plan to do anything I wanted to. I’d like to go to Tibet and travel through as much of it as possible.",
25. I ______ have been more than six years old when the accident happened.",
Thank you for all your hard work last week. I don’t think we ______ it without you.",
B．could have managed
D．can have managed
--- Do you know Uncle Tom is crazy about gardening?
---Sure. He ____ his flowers in the garden now.",
A．may be watering
B．must be watering
C．could look after
D．ought to watch
— ____ he open the door ?
— Yes , please .",
Put on more clothes . You ____ be feeling cold with only a shirt on .",
— You ought to have called her yesterday .
— Yes , I know I ____ .",
B．ought to have
C．ought have done
D．ought to have called
You look smart in this new jacket. That old one ______ thrown away many years ago.",
A．ought to be
B．ought to have been
D．would have been
— I heard they went skating in the mountains last winter.
— It _____ true because there was little snow there.",
A．may not be