(2013·北京，35)—You needn't take an umbrella.It isn't going to rain.
—Well, I don't know.It________do.
A．might B．need C．would D．should
What would have happened ________，as far as up to the river bank.
A．Bob had walked farther
B．if Bob should walk farther
C．had Bob walked farther
D．if Bob walked farther
You can't imagine that a well－behaved gentleman ________ be so rude to a lady.
A．might B．need C．should D．would
It is hard for me to imagine what I would be doing today if I ________ in love，at the age of seven，with the Melinda Cox Library in my hometown.
A．wouldn't have fallen B．had not fallen
C．should fall D．were to fall
—Is John coming by train.
—He should，but he ________ not.He likes driving his car.
A．must B．can C．need D．may
There ________ be any difficulty about passing the road test since you have practised a lot in the driving school.
A．mustn't B．shan't C．shouldn't D．needn't
