单项选择题

______ that another earth satellite has been put into orbit.

A．Reporting
B．To be reported
C．To report
D．It is reported
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单项选择题
The most important outcome of education is to help students become independent ______ formal education.
A．from
B．to
C．of
D．on
单项选择题
______ anyone ring, ask him to leave a message, and I will call back.
A．Would
B．Might
C．Should
D．Supposing
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