问题
单项选择题
When we left, he again expressed his ______ of our timely help.
A．gratefulness
B．appreciation
C．expectation
D．anticipation
答案
参考答案：B
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When we left, he again expressed his ______ of our timely help.
A．gratefulness
B．appreciation
C．expectation
D．anticipation
参考答案：B