(2012·陕西高考)I ________ thank you too much for all your help to my son while we were away from home.
A．won't B．can't
C．can D．will
(2013·天津高考)No one ________ be more generous; he has a heart of gold.
A．could B．must
C．dare D．need
(2009·江苏高考)He did not regret saying what he did but felt that he________it differently.
A．could express B．would express
C．could have expressed D．must have expressed
(2011·江苏高考)—I left my handbag on the train, but luckily someone gave it to a railway official.
—How unbelievable to get it back! I mean, someone ________it.
A．will have stolen B．might have stolen
C．should have stolen D．must have stolen
(2011·全国卷Ⅰ)They ________have arrived at lunchtime but their flight was delayed.
A．will B．can
C．must D．should
(2012·江苏高考)—Happy birthday!
—Thank you! It's the best present I________ for.
A．should have wished B．must have wished
C．may have wished D．could have wished
