单项选择题

He gave no opinion about the matter because he didn't want to risk ______ in it.

A．to involve
B．being involved
C．to be involved
D．involving
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单项选择题
--I think he is taking an active part in social work.--I agree with you ______.
A．inaway
B．on the way
C．by the way
D．in the way
单项选择题
All students are ______ to the rules of the school.
A．obeying
B．object
C．subject
D．according
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