单项选择题

It was the first time that Mary was late. She ______ up in the traffic.

A．could be held
B．can have been held
C．might have been held
D．might be held
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单项选择题
I let my children make their own decisions. Now they are older; I wouldn't ______ to interfere.
A．assume
B．consume
C．resume
D．resume
单项选择题
What is the best title for this passage
A．Society.
B．People's Interests.
C．Society in Different Nations.
D．Sociology.
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