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
Traffic accident is reported ______ the number-one killer of men over the past few years in this littlie town.
A．being
B．having been
C．to be
D．to have been
单项选择题
This flower does not grow well in soils ______ the one for which it has been specially developed.
A．beyond
B．rather than
C．outside
D．other than
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