问题
选择题
Peter was so angry at all ____ Mary was doing ___ he walked out.
A．what; as
B．what; that
C．that; which
D．that; that
答案
答案：D
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Peter was so angry at all ____ Mary was doing ___ he walked out.
A．what; as
B．what; that
C．that; which
D．that; that
答案：D