题目内容
(请给出正确答案)
[单选题]
A letter from a boss to his secretary is an()communication.
A.oral
B.internal
C.external
提问人:网友孙青青
发布时间:2022-01-07
A.oral
B.internal
C.external
此题为判断题(对,错)。
A、identical
B、imperative
C、impressive
D、innocent
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