In Britain,sales of cigarettes have been reduced __________ 30% in the past ten years.

A.for             B.to        C.from           D.by

In   Britain,sales of cigarettes have been reduced __________ 30% in the past ten years.

1. A.
   for
2. B.
   to
3. C.
   from
4. D.
   by

In Britain, Sales of cigarettes have been reduced _____ 30% in the past ten years．

A．for                     B．to                       C．from                  D．by