单项选择题

Advertising media like direct mail, radio, television and newspapers ______ to increase the sales of industrial products.

A．have been used
B．will be used
C．is being used
D．has been used
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单项选择题
We hadn't met for 8 years, but I recognized her ______ I saw her.
A．the moment
B．for the moment
C．the moment when
D．at the moment when
单项选择题
______ is released in the press conference, more capitals will be distributed by our government to prop up the agriculture.
A．As
B．What
C．Which
D．That
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