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题目内容
（甘肃开放大学 英语阅读1）
We are waiting _________ your reply ________ our letter.
A.
in, of
B.
for, to
C.
of, of
D.
with, to
A.
in, of
B.
for, to
C.
of, of
D.
with, to
参考答案