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题目内容
(国家开放大学管理英语3)
Involvement in community activities ______ an integral and inescapable part of senior managers. jobs.
选择一项:
A.
are seen as
B.
has been seen as
C.
has seen as
选择一项:
A.
are seen as
B.
has been seen as
C.
has seen as
参考答案