1 . 我是如此羞愧，以至于我感觉心如刀绞，眼泪模糊了我的双眼。
a.________________ I felt as if a knife were piercing (刺穿) my heart, tears clouding my eyes.
b.________________ I felt as if a knife were piercing my heart, tears clouding my eyes. (倒装句)

2 . The party was so good that I couldn't drag myself away.（英译汉）
_______________________________________________________________

3 . 它的扩张速度如此之快，以至于我们只能想象它将来会构成什么。
It is expanding ________________we can only imagine what it will comprise in the future.