问题
选择题
Mr. Smith was so angry at all _____ Bill was doing ______ he left.
A．that…what
B．that…that
C．which…which
D．what…that
答案
答案：B
本题考查句子结构辨别的能力。第一空:先行词为all,由 that引导定语从句;第二空:that 与前半句中的so呼应,引导结果状语从句。
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