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题目内容
（河南科技大学大学英语3(专升本)）
None of us expected the chairman to ______ at the party. We thought he was still in hospital.
选项:
A:turn in
B:turn up
C:turn over
D:turn down
选项:
A:turn in
B:turn up
C:turn over
D:turn down
参考答案