—My cat’s really fat.
—You have given her so much food. (浙江2007)
A. wouldn’t
B. couldn’t
C. shouldn’t
D. mustn’t
网友回答
A. wouldn’t
B. couldn’t
(答案→)C. shouldn’t
D. mustn’t
解析:本题考查情态动词的用法。句意:—我的猫太胖了。—你本不应该喂它那么多。should (not) / ought (not) to have done本(不)应该做某事,但却没有做或做了,含有责备或后悔之意。