Question

—Jack, you look tired today. What’s wrong?

—I was_____ busy ___ I didn’t go to bed until midnight yesterday.

A. too, to     B. enough, to

C. so, that      D. such, that

Answer

C

【解析】

试题分析：句意：——Jack，你看上去很累。怎么了？——我如此忙以致昨天我到半夜才上床睡觉。so+形容词/副词+that状语从句，如此……以致……；too+形容词/副词+ to do…;such+名词+that状语从句；enough, to+do…。据题意，故选C。

考点：考查连词。