完形填空I know Ishould have told the headmaster at the time

完形填空I know Ishould have told the headmaster at the time
完形填空I know Ishould have told the headmaster at the time

完形填空I know Ishould have told the headmaster at the time
I konw I should have told it to the haedmaster at that time.
我知道我本该在那时就告诉校长的.
感觉这燕就通啦~

I know 【this is】 i should have told the headmaster at the time
我知道这是我应该告诉校长的时候了

选b