问题
选择题
I ______ myself more-----it was a perfect day.
A．shouldn’t have enjoyed
B．needn’t have enjoyed
C．wouldn’t have enjoyed
D．couldn’t have enjoyed
答案
答案：D
题目分析：考查固定句型。句义：我不能过得更加愉快了，因为那是完美的一天。这是一个常用结构：cannot/could not + 比较级表示最高级。说明那一天过得最愉快了，所以D正确。