问题
选择题
Mr. Smith was so angry at all ________ Robert was doing _________ he walked out angrily.
A．that; what
B．that; that
C．which; which
D．what; that
答案
答案：B
题目分析：考查定语从句和结果状语从句。由句子的语境：史密斯先生对罗伯特做的事情如此生气以至于生气的走出房间。第一空主要测试定语从句，并且先行词为不定代词all，只能选择关系代词that；第二空主要测试结果状语从句：是so…that…句型，选B。