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题目内容
（河南科技大学大学英语3(专升本)）
The chairman requested that ______.
选项:
A:the members should have studied the problem more carefully
B:the problem were more carefully studied
C:the problem could be studied with more care
D:the members study the problem more carefully
选项:
A:the members should have studied the problem more carefully
B:the problem were more carefully studied
C:the problem could be studied with more care
D:the members study the problem more carefully
参考答案