单项选择题

This semester, the courses Williams has taken are History, Mathematics, Chemistry and Physics, Mathematics ______ the most important.

A．is
B．being
C．has been
D．of
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The strong gust of wind was ______ to send sheets of paper scattering everywhere in the room.
A．such as
B．so as
C．much as
D．in order
单项选择题
Apparently, Jim's father was ______ by his words and yelled at him immediately.
A．put out
B．put away
C．put down
D．put across
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