Oh，I'm not feeling well in the stomach.I ________ so much fried chicken just now.
A．shouldn't eat B．mustn't have eaten
C．shouldn't have eaten D．mustn't eaten
He hesitated for a moment before kicking the ball，otherwise he ________ a goal.
A．had scored B．scored
C．would score D．would have scored
My sister met him at the Grand Theatre yesterday afternoon，so he ________ your lecture.
A．couldn't have attended B．needn't have attended
C．mustn't have attended D．shouldn't have attended
Mr.Bush is on time for everything.How ________ it be that he was late for the opening ceremony.
A．can B．should C．may D．must
—Are you coming to Jeff's party?
—I'm not sure.I ________ go to the concert instead.
A．must B．would C．should D．might
—Could I borrow your dictionary?
—Yes，of course you ________.
A．could B．will C．can D．might
