问题补充:
----Jack , you look tired today. What’s wrong?
-I was busy I didn’t go to bed until midnight yesterday.
A. such , that
Btoo, to
Cso ,that
D. enough to
答案:
A. such , that
B. too, to
(答案→)C. so ,that
D. enough to
解析:such , that如此……以至于;too, to太……而不能……;so ,that如此……以至于……;enough to 足够做某事。句意:杰克,你今天看起来很累。怎么了?——我是如此的忙,以至于昨天我直到午夜才上床睡觉。结合语境可知惦C。