Mr Smith was so angry at all Bill was doing he walked out angrily.A. that; whatB. that;

问题补充：

Mr Smith was so angry at all Bill was doing he walked out angrily.

A. that; what

B. that; that

C. which; which

D. what; that

答案：

A. that; what

B. that; that

C. which; which

D. what; that

解析：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。