问题
选择题
Peter was so excited ______ he received an invitation from his friend to visit Chongqing. [ ]
A. where
B. that
C. why
D. when
答案
答案：D
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Peter was so excited ______ he received an invitation from his friend to visit Chongqing. [ ]
A. where
B. that
C. why
D. when
答案：D
