The seller reduced the price＿＿two yuan.A.by B.for C.in D.of

The seller reduced the price＿＿two yuan.A.by B.for C.in D.of
The seller reduced the price＿＿two yuan.A.by B.for C.in D.of

The seller reduced the price＿＿two yuan.A.by B.for C.in D.of
A by
是降了2元
如果有to也对,但是意思就是降到2元