问题
“You ______ your teacher for help. He is kind-hearted.” “Yes. A whole day _______.”
A:can ask, will waste
B:must have asked, had wasted
C:could have asked, was wasted
D:shouldn’t have asked, would be wasted
B:must have asked, had wasted
C:could have asked, was wasted
D:shouldn’t have asked, would be wasted
正确答案是：
