The traffic is heavy these days.I ________ arrive a bit late，so could you save me a place?
A．can B．must C．need D．might
—Where ________ I meet you tomorrow morning?
—I haven't decided the place.But I'll call you soon.
A．would B．shall C．might D．can
—A shy boy like John ________ give up a secure job and start his own business!
—Yes，nobody had expected that.
A．would B．should C．might D．could
—Tom often drives carelessly.
—Tell him he ________ answer for it if he goes on behaving like that.
A．shall B．should C．will D．must
He ________ your car by mistake because he didn't have the keys.
A．mustn't have taken B．shouldn't have taken
C．couldn't have taken D．needn't have taken
—The similarities between social networks are striking.
—That ________ come as no surprise，because they are all products of the Internet.
A．should B．shall C．may D．must
