(2013·潍坊市高三二模)Sometimes smiles ________ be false, hiding other feelings like anger, fear or worry.
A．must B．should
C．can D．would
(2013·南昌三中模拟)—Do you think Jack will lend us a hand?
—He is the last one to help others. He ________ lend his hand, though.
A．can B．must
C．should D．might
(2012·重庆高考)—________ you interrupt now? Can't you see I'm on the phone?
—Sorry Sir, but it's urgent.
A．Can B．Should
C．Must D．Would
(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
