问题补充:
The boy went in when he left for school that he left his key inside the house.
A. a rush so anxious
B. a such anxious rush
C. so an anxious rush
D. such an anxious rush
答案:
A. a rush so anxious
B. a such anxious rush
C. so an anxious rush
(答案→)D. such an anxious rush
解析:考查固定搭配。so+形容词+a/an+名词+that...= such+a/an +形容词+名词+that...,意为“如此......以至于......”。句意:那个男孩去学校时走的如此匆忙,以至于把钥匙忘在家里了。in a rush匆忙,修饰名词用such。故选D。