问题
选择题
— Oh, my cat is really fat.
— You __ have given her so much food.
A．wouldn't
B．mustn't
C．couldn't
D．shouldn't
答案
答案：D
本题考查情态动词。句意：——我的猫真的太胖了。 ——你不应该给她那么多的食物。此处表示和过去事实相反的情况，应该用shouldn’t + have + 过去分词，意为本来不应该做，而实际做了。