单项选择题

This depends upon ______ he is interested in taking part in the party.

A．whether
B．if
C．as
D．that
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单项选择题
The new equipment makes ______ to melt the metal.
A．possibly
B．it possible
C．it is possible
D．being possible
单项选择题
He stood at the door, ______.
A．that his hands in his pocket
B．his hands in his pocket
C．and his hands in his pocket
D．his hands were in his pocket
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