1 . 但是阿利斯泰尔为自己的决定给出了简单的解释：“如果我把乔尼落下，妈妈会不开心的。”
But for Alistair, his decision ________：“Mum________ if I’d left Jonny behind.”

2 . 如果汤姆读了这本小说，他就会知道它令人惊讶的结局了。
________, he would have known its surprising ending.