单项选择题

The amotmt of heat produced by this electrical apparatus is ______ at will by turning a small handle.

A．different
B．diverse
C．variable
D．various
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单项选择题
I decided to go to the party as soon as I ______.
A．would finish what I was doing
B．finish what I did
C．finished what I did
D．finished what I was doing
单项选择题
The Reform Club proposed that wages ______.
A．would be raised
B．were raised
C．would have been raised
D．be raised
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